16mm Core Drill Solid Carbide 50mm Cut Length Quick IN Shank - Ruko GmbH
Take advantage of the solid carbide construction, a generous 50 mm cutting depth and the fast-change Quick IN 18 mm shank for reliable, high-performance holemaking in demanding steels; order the annular cutter directly via Metav Werkzeuge or consult our specialists if advice is required. Annular cutter D16 mm — solid carbide, 50 mm cutting depth (RUKO) The Annular cutter D16 mm is a solid carbide core drill engineered for heavy-duty metalworking, offering a 50 mm cutting depth and a Quick IN 18 mm shank for rapid tool changes in industrial production environments Solid carbide construction for long life 50 mm cutting depth for through-hole work Quick IN 18 mm shank for fast tool changes Suitable for hardened and high-chromium steels High-performance cutting for demanding steels Made from solid carbide, this annular cutter delivers high wear resistance and sustained cutting quality under load. The combination of a 16 mm diameter and 50 mm cutting depth enables efficient through-hole production in thicker sections, reducing the number of rework steps. Built with five cutting edges, the tool balances material removal and surface finish, which helps maintain consistent hole geometry in series production. Faster set-up and uninterrupted workflows The Quick IN 18 mm shank lets tool changes be completed quickly, shortening machine downtime and improving throughput. In systems where multiple operations are scheduled, the rapid interchangeability of the shank reduces fixture complexity and supports a leaner workflow. The effective shank design also stabilises the cutter during plunging, leading to fewer interruptions and a steadier feed rate in continuous runs. Broad material compatibility explained This cutter is specified for heavy and alloyed materials: railway rails, Hardox/Weldox 400, general steel and cast steel, and high-chromium grades such as V2A and V4A. The solid carbide geometry resists deformation and retains hardness at elevated cutting temperatures, which is why it is recommended for high-strength and abrasion-resistant steels. For operators unfamiliar with these terms, V2A and V4A denote common stainless steel grades with differing corrosion resistance and alloy content. Practical benefits: quality, longevity and repeatability By using a solid carbide annular design with multiple cutting edges, the tool reduces cycle time per hole while producing a consistent bore finish — a direct gain in productivity for workshops and production lines. The RUKO build quality and robust shank connection mean fewer tool changes over the life of the cutter and predictable performance across batches, supporting quality assurance and process planning in metal fabrication tasks. Select the RUKO solid carbide annular cutter for robust holemaking and contact Metav Werkzeuge for tailored technical guidance — email info@metav-werkzeuge.com or call +49 2822 7131930 to arrange specialist advice or procurement assistance Technical data Article number: 4000602624NW Product: Annular cutter D16 mm solid carbide 50 mm cutting depth Quick IN RUKO Manufacturer: Ruko GmbH Product type: Annular cutter Facts Diameter: 16 mm Cutting depth: 50 mm Overall length: 83 mm Shank: Quick IN, 18 mm Cutting edges: 5 Packaging unit: 1 Special features Material: solid carbide Suitable for railway rails Suitable for Hardox / Weldox 400 Suitable for steel and cast steel Suitable for high-chromium steels (V2A, V4A) Quick IN shank design FAQ What materials can be machined with this annular cutter? The annular cutter is specified for railway rails, Hardox/Weldox 400, steel, cast steel and high-chromium steels such as V2A and V4A; these applications are listed for the RUKO annular cutter (SKU 4000602624NW). What shank type does the tool use and how does it affect set-up? The tool features a Quick IN 18 mm shank, which enables fast tool changes and simplifies machine set-up when using compatible quick-clamping systems with the RUKO annular cutter. How deep can the cutter drill and what is the overall length? The cutter has a cutting depth of 50 mm and an overall length of 83 mm, providing sufficient reach for through-hole tasks in thicker workpieces. How many cutting edges does the tool have and why is that important? This RUKO cutter is built with five cutting edges; multiple edges improve chip evacuation and help produce a consistent bore quality in series production. Is the tool suitable for high-strength and wear-resistant steels? Yes, the solid carbide construction and the cutter geometry are designed for use in high-strength and abrasion-resistant steels, which makes the RUKO annular cutter appropriate for such applications. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
17mm Annular Cutter HSS 55mm Cutting Depth, Weldon Shank - Ruko GmbH
Take advantage of HSS construction, a 17 mm diameter and 55 mm cutting depth for reliable, repeatable bores in structural and workshop applications; Order the (Ruko Core Drill Ø17 mm HSS) directly via (Metav Werkzeuge) or ask our consultants if needed. Ruko Core Drill Ø17 mm HSS — 55 mm cutting depth, Weldon shank Ruko Core Drill Ø17 mm HSS for precise through and blind bores in steel, cast iron and non‑ferrous materials. HSS construction for high wear resistance 55 mm cutting depth for deep bore holes Weldon shank 19.05 mm (3/4") for secure clamping Suitable for steel, cast iron and non‑ferrous metals Faster, more reliable drilling with high‑speed steel craftsmanship The combination of high-speed steel (HSS) and a robust flute geometry delivers a balance of toughness and sharpness suited to demanding workshop use. This core drill is designed to retain edge stability at moderate cutting speeds, which reduces wear and maintains hole quality over multiple operations. The tool’s 17 mm diameter and 55 mm cutting depth allow for consistent, clean bores in structural sections such as T‑beams and large plates. Using HSS rather than softer alloys means fewer tool changes and less downtime, translating into measurable gains in cycle efficiency for routine production tasks. Secure clamping and dimensional consistency for safer machining A Weldon shank (19.05 mm / 3/4") ensures stable seating in standard toolholders and arbors, reducing runout and improving concentricity during operation. This mechanical fit is particularly beneficial when machining heavier sections of steel or when repeatability is required across a batch. The drill’s multi‑cutting‑edge design (5 cutting edges) promotes uniform chip formation and steadier feed rates, which supports a smoother surface finish and reduces the need for post‑machining rework. Clear mechanical retention combined with a straightforward shank interface makes this tool well suited to both bench and machine‑mounted setups. Versatile application range for mixed‑material environments Engineered for machining steel, cast iron and light non‑ferrous alloys, this core drill supports a wide range of workshop tasks without frequent tool swapping. Its specification highlights suitability for typical industrial materials encountered in fabrication and maintenance contexts, from heavy section steelwork to aluminium assemblies. By choosing a single, robust tool for diverse materials, procurement is simplified and tool inventory reduced. The practical result is a streamlined workflow: fewer interruptions, predictable tool life and consistent bore quality across material families. For professional results choose the Ruko core drill via Metav Werkzeuge — contact Metav Werkzeuge for tailored advice and rapid supply from Emmerich to your workshop. Technical data Article number: 4000602448NW Label: Kernbohrer D.17mm HSS Schnitt-T.55mm Weldon RUKO Manufacturer: Ruko GmbH Facts Material: HSS Diameter: 17 mm Cutting depth: 55 mm Overall length: 88 mm Number of cutting edges: 5 Special features Weldon shank 19.05 mm (3/4") Suitable for steel, cast iron, non‑ferrous metals Packaging unit: 1 FAQ What materials can this core drill machine handle? The Ruko core drill Ø17 mm HSS is specified for steel, cast iron and non‑ferrous metals, making it suitable for a wide range of workshop applications. Is the shank compatible with standard holders? Yes; the tool features a Weldon shank of 19.05 mm (3/4"), which fits common Weldon‑style holders for secure clamping. How deep can this core drill cut in a single pass? The drill provides a cutting depth of 55 mm, enabling deep bores in many structural and plate materials. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert‑Bosch‑Strasse 7, 71088 Holzgerlingen
17mm Core Drill HSS 30mm Cutting Depth Weldon Shank 3/4" - Ruko GmbH
Reliable metalworking performance with HSS construction and a 30 mm cutting depth ensures consistent hole quality and service life; combine precision drilling with secure Weldon clamping for stable machining and order the part directly via Metav Werkzeuge or consult the technical team if required. RUKO core drill 17 mm – HSS, 30 mm cutting depth, Weldon shank The RUKO core drill 17 mm is a high-performance metalworking tool designed for precision drilling in structural steel, cast iron and non‑ferrous alloys, featuring a Weldon shank for secure mounting in industrial setups. RUKO core drill 17 mm HSS 30 mm cutting depth for accurate holes Weldon shank 19.05 mm (3/4") for secure clamping Suitable for steel, cast iron and non‑ferrous metals Precision and material performance for demanding metalwork The HSS construction delivers a balance of toughness and hardness that suits mixed-series production. With a nominal diameter of 17 mm and a defined 30 mm cutting depth, the tool maintains consistent hole geometry even under repeated cycles. The geometry of the five cutting edges reduces cutting forces and spreads heat generation, which in practice leads to steady drilling rates and a reliable surface finish in materials such as structural steel and cast components. For procurement and planning, this drill is optimised to support medium-duty series work where repeatability matters. Secure clamping and stability for efficient machining Equipped with a Weldon shank 19.05 mm (3/4"), the core drill transfers torque reliably and minimises slippage in holders and chucks. The shank design paired with the segmented cutting geometry helps reduce runout and vibration, resulting in improved tool life and fewer rejects in production. The combination of secure clamping and balanced cutting forms a practical solution for machining large-format plates and T‑sections, enabling stable feed rates and shorter cycle times on drill rigs and milling centres where consistency is required. Operational benefits and workshop integration The tool’s construction supports straightforward integration into a workshop inventory: durable HSS composition offers resistance to abrasion while keeping regrind options open where applicable. The compact total length enables access in confined setups without sacrificing the required cutting length. As a standardised industrial drill, it aligns with common clamping interfaces and is suitable for applications that demand a compromise between wear resistance and machinability. Purchasing from a proven supplier reduces supply-chain risk and supports continuous production availability. For robust, precise metalworking choose the RUKO core drill 17 mm with Weldon shank and contact Metav Werkzeuge for tailored ordering and technical advice via info@metav-werkzeuge.com or +49 2822 7131930 Technical data Article number: 4000602296NW Label: Kernbohrer D.17mm HSS Schnitt-T.30mm Weldon RUKO Manufacturer: Ruko GmbH Facts Diameter: 17 mm Total length: 63 mm Cutting depth: 30 mm Cutting edges: 5 Shank diameter: 19.05 mm (3/4") Special features Material: HSS Shank execution: Weldon shank 19.05 mm (3/4") Suitable applications: steel, cast iron, non‑ferrous and light metals Product type: Core drill FAQ What materials can be machined with this core drill? The RUKO core drill 17 mm is suitable for steel, cast iron and various non‑ferrous and light metals as stated in the product specification. Is the Weldon shank compatible with standard holders? Yes, the Weldon shank 19.05 mm (3/4") is a standard clamping form for heavy‑duty holders and supports secure mounting for the RUKO core drill 17 mm. How many cutting edges does the tool have and why does that matter? The tool has five cutting edges; this distribution reduces cutting force per edge and contributes to smoother drilling and improved chip evacuation. Can this drill be used on large sheet metal and structural profiles? The design and material of the RUKO core drill make it suitable for machining large‑format plates and structural profiles commonly encountered in fabrication shops. What is the article number for ordering and reference? The article number for this core drill is 4000602296NW and should be used when specifying the RUKO core drill 17 mm for procurement. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert‑Bosch‑Strasse 7, 71088 Holzgerlingen
17mm Core Drill NOVA 25 HSS 25mm Cutting Depth Weldon Shank 3/4" - C. & E. Fein GmbH
Take advantage of the HSS construction and the secure Weldon shank to ensure reliable machine mounting and long service intervals; the compact 17 mm diameter with a 25 mm cutting depth supports precise through-holes in demanding metalworking tasks. Order the core drill directly via Metav Werkzeuge or consult the Metav team for specification matching and delivery options. NOVA 25 core drill D17 mm, HSS, 25 mm cutting depth — C. & E. Fein GmbH NOVA 25 core drill for machine-mounted precision holemaking in metalworking and fabrication applications, fitted with a Weldon shank for secure clamping HSS construction for high wear resistance Weldon shank 19.05 mm for secure machine mounting 25 mm cutting depth for controlled core extraction 17 mm diameter for precise holemaking Consistent cutting performance for production environments The core cutter’s HSS composition delivers a balance of toughness and hardness that supports repeated machining cycles under varying loads. With 5 cutting edges, the geometry distributes cutting forces evenly, reducing chatter and improving surface finish; this translates into fewer rejects and less post-process reworking. The combination of robust material and optimised cutting geometry makes the tool suitable for routine workshop use where predictable throughput and efficiency are priorities. Secure mounting and accurate hole positioning A Weldon shank (19.05 mm / 3/4") provides a gravity-defying hold in powered tool holders and arbors, reducing slippage during high-torque operations and maintaining concentricity throughout the drilling sequence. The tool’s 61 mm overall length and defined 25 mm cutting depth permit clear control over penetration depth, which helps preserve component tolerances and reduces the risk of over-drilling. For machine shops requiring reproducible hole locations, this design minimises setup time and supports tighter process control. Practical benefits that reduce downtime Adopting a tool with long service intervals contributes directly to shop-floor productivity. The HSS material and compact core design reduce wear rates, while the precise fit of the Weldon shank simplifies tool changes and avoids time-consuming re-clamping. The result is a measurable improvement in operational uptime and a smoother production flow, especially in mixed-batch environments where fast, reliable transitions between jobs are necessary. Application scope and material compatibility The cutter performs well in carbon and alloy steels and is a reliable option for general metal fabrication tasks that require clean core removal. Its 17 mm diameter is ideal for common threaded insert preparations and pass-throughs in assemblies. Where higher hardness materials or specialised alloys are involved, verify compatibility with material specifications and machine capabilities before proceeding; Metav can advise on suitability for specific substrates and machining parameters. For specific enquiries about suitability, delivery times or integration into production workflows, contact Metav Werkzeuge — technical consultants are available to advise on the NOVA 25 core drill and compatible holders Technical data Article number: 8000380286NW SKU: 8000380286NW Product type: NOVA 25 core drill Manufacturer: C. & E. Fein GmbH Facts Diameter: 17 mm Total length: 61 mm Cutting depth: 25 mm Cutting edges: 5 Shank diameter: 19.05 mm (3/4") Special features Material: HSS Shaft execution: Weldon shank 19.05 mm (3/4") High stand time (long service life) Packaging unit: 1 FAQ What materials is this core drill suitable for? The NOVA 25 core drill by C. & E. Fein GmbH is made of HSS and is suitable for general steel and alloy applications; check hardness limits for specialised alloys before use. How is the tool mounted in a machine? Mounting is via the Weldon shank (19.05 mm / 3/4"), which secures the core drill in compatible tool holders and arbors for stable machining. What is the effective cutting depth of the cutter? The core drill offers a defined cutting depth of 25 mm, providing controlled core extraction and repeatable hole depths. Which SKU should be ordered for this item? Order reference: SKU 8000380286NW for the NOVA 25 core drill, HSS, 17 mm diameter. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
17mm Core Drill Solid Carbide Cutting Length 50mm Quick IN Shank - Ruko GmbH
Benefit from the combination of solid carbide durability, a 50 mm cutting depth and a Quick IN 18 mm shank for dependable core drilling in high-alloy steels; order the Ruko core drill directly via Metav Werkzeuge or contact our consultants for tailored application advice. Ruko Core Drill Ø17 mm – Solid Carbide, 50 mm Cutting Depth, Quick IN Shank The Ruko Core Drill Ø17 mm is a solid-carbide core drill designed for demanding industrial drilling tasks in steel, cast iron and highly alloyed materials, featuring a Quick IN shank for rapid tool changes. Solid carbide construction for long tool life 50 mm effective cutting depth Quick IN 18 mm shank for fast tool change 5 cutting edges for efficient chip removal Durable construction for consistent industrial performance The solid carbide construction delivers high hardness and wear resistance that sustains drilling precision under heavy loads. Intended for industrial environments, this core drill resists abrasion and thermal stress better than high-speed steel alternatives, which translates into longer tool life and fewer tool changes. The robust design supports stable hole quality in demanding materials without frequent replacement, providing measurable uptime benefits for production workflows. Stable core geometry and smoother cutting forces As a core drill, the tool removes an annulus of material rather than the full diameter, which reduces cutting volume and can lower cutting forces compared with conventional full-diameter drills. The combination of a 50 mm cutting depth and 5 cutting edges enhances material evacuation and surface finish, while the cutting geometry limits vibration. These features result in more repeatable hole dimensions and reduced risk of overheating in high-alloy steels and stainless grades. Quick IN shank for efficient workshop integration The Quick IN 18 mm shank permits fast changes between operations and simple integration into systems that support quick-change holders. Reduced setup time complements the tool’s durability, contributing to improved overall equipment effectiveness. The shank format also ensures secure clamping and concentricity, which helps maintain hole accuracy across batch runs and repetitive tasks in fabrication or maintenance settings. Typical applications and practical guidance The drill is engineered for heavy-duty applications such as railway components, structural fabrication with Hardox / Weldox 400, stainless steels (V2A, V4A), cast iron and other high-chromium or highly alloyed steels. For best results, match the drill to suitable machine capability and coolant practice; for precise feeds and speeds adapted to specific materials and machines, consult the technical advisers at Metav Werkzeuge. Proper clamping and steady feed reduce risk and extend tool life. Contact Metav Werkzeuge for personalised drilling parameters, stock information and application support for the Ruko core drill; call +49 2822 7131930 or email info@metav-werkzeuge.com Technical Data Article number: 4000602625NW Label: Kernbohrer D.17mm Vollhartmetall Schnitt-T.50mm Quick IN RUKO Manufacturer: Ruko GmbH Product type: Core drill Material: Solid carbide Shank: Quick IN 18 mm Diameter: 17 mm Cutting depth: 50 mm Total length: 83 mm Cutting edges: 5 Packaging unit: 1 Core Technical Data Diameter: 17 mm Cutting depth: 50 mm Total length: 83 mm Shank diameter: 18 mm Cutting edges: 5 Special features Solid carbide design Quick IN shank 18 mm Suitable for railway rails Suitable for Hardox / Weldox 400 Suitable for steel and cast iron Suitable for high-chromium steels (V2A, V4A) Quick change compatibility Efficient chip removal FAQ What materials can this core drill machine work with? The Ruko core drill is suitable for steel, cast iron, high-chromium stainless steels (V2A, V4A), Hardox / Weldox 400 and applications such as railway rails where high wear resistance is required. Is the shank compatible with quick-change systems? Yes — the tool features a Quick IN 18 mm shank designed for rapid changeover and integration with compatible quick-change holders in industrial workshops. How does the core drill manage chip evacuation? The core geometry and the 5 cutting edges promote efficient chip removal and reduced cutting forces, which helps maintain stable cutting conditions and hole quality. Can the drill be used on magnetic drilling machines? The Ruko core drill can be mounted in suitable heavy-duty drilling equipment that accepts a Quick IN 18 mm shank; machine capability and correct clamping influence performance and safety. Are there recommended operating parameters for different steels? Operating speeds and feeds depend on the specific material and machine; Metav Werkzeuge’s technical advisers can provide tailored recommendations for optimal results with the Ruko core drill. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
18mm Core Drill HSS 25mm Cutting Depth Weldon Shank 19.05mm - C. & E. Fein GmbH
Data inconsistency: the specified manufacturer "C. & E. Fein GmbH" for SKU 8000380319NW is not listed in the provided manufacturer overview, which is required for the mandatory manufacturer block. This issue needs to be addressed to ensure compliance with the necessary product description standards. Please supply either a manufacturer entry from the given list or full manufacturer and address details for C. & E. Fein GmbH so that a complete, compliant product description can be created. Without this information, it will not be possible to finalise the product description in accordance with the required guidelines and standards for accuracy and completeness.
18mm Core Drill HSS 30mm Cutting Depth Weldon Shank 3/4" - Ruko GmbH
Take advantage of a robust combination of HSS material and a secure Weldon shank for precise, repeatable holemaking; the 18 mm cutting diameter with a 30 mm cutting depth delivers efficient core removal while maintaining stability. Order directly via Metav Werkzeuge or consult our experts for tailored advice. Ruko annular cutter 18 mm HSS — 30 mm cutting depth Ruko annular cutter 18 mm HSS — 30 mm cutting depth is a heavy-duty core drill designed for fast, clean holes in structural steel and a wide range of metals HSS construction for long tool life 30 mm cutting depth for efficient core removal Weldon shank 19.05 mm (3/4") for secure clamping Suitable for steel, cast iron and non‑ferrous metals Precision holemaking with high‑performance HSS This annular cutter combines the proven cutting properties of HSS with a geometry optimised for metalworking, delivering precise hole edges and reduced burr formation. The tool’s design concentrates the cutting forces at the circumference so that the central core is retained rather than pulverised; this reduces spindle load and speeds up chip evacuation. For workshops requiring consistent diameters in structural components, the cutter offers reliable repeatability and straightforward handling. Faster cycle times through efficient cutting geometry With five cutting edges, the cutter removes material quickly while distributing wear evenly, which decreases regrinding frequency and downtime. The specified 30 mm cutting depth allows through‑hole or deep pocketing in thicker sections without multiple passes, improving throughput on production and maintenance tasks. The combination of material choice and flute layout supports higher feed rates where machine rigidity and clamping permit, translating into measurable time savings on repetitive operations. Broad material compatibility for versatile use Manufactured from HSS, this core drill is suitable for a wide array of materials encountered in workshops: structural steel profiles, steel castings, aluminium and other light alloys, and many non‑ferrous metals. The cutter’s geometry and material grade balance toughness with edge retention, which means fewer tool changes when shifting between jobs. Where specialised alloys are in use, selection of cutting parameters ensures optimal results without compromising surface finish. Stable clamping and simple integration into workflow The Weldon shank (19.05 mm / 3/4") provides secure fixation in Weldon‑type holders or compatible toolholders, reducing slippage and improving concentricity during drilling. This shaft style is widely supported on magnetic drills and dedicated holders, allowing immediate integration into existing tooling systems. The solid construction and compact overall length support access in confined spaces while maintaining axial stiffness for clean, round holes. For reliable, workshop‑ready annular cutting choose the Ruko HSS cutter and contact Metav Werkzeuge for personalised application advice and fast supply — eMail info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 4000602297NW Brand: Ruko GmbH Product: Annular cutter Core specifications Diameter: 18 mm Overall length: 63 mm Cutting depth: 30 mm Cutting edges: 5 Special features Material: HSS Shaft: Weldon shank 19.05 mm (3/4") Suitable for steel, steel castings, non‑ferrous and light metals Packaging unit: 1 FAQ What materials can be machined with this annular cutter? The Ruko annular cutter is suitable for machining steel, steel castings, and a range of non‑ferrous and light metals when used with appropriate speeds and feeds. Which shank system is required for secure clamping? A Weldon‑type holder that accepts a 19.05 mm (3/4") shank is required to secure the cutter correctly and maintain concentricity during drilling. How deep can this cutter drill in a single pass? The cutter provides a 30 mm cutting depth, enabling single‑pass core removal up to that depth depending on material and machine rigidity. Is this tool suitable for magnetic drill presses? Yes, the Weldon shank and compact overall length make the cutter compatible with magnetic drill setups that accept Weldon‑style holders. How many cutting edges does the cutter have and what is the benefit? The cutter features five cutting edges, which helps distribute wear and supports faster material removal with improved surface finish. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert‑Bosch‑Strasse 7, 71088 Holzgerlingen
18mm Core Drill HSS 55mm Cutting Depth Weldon Shank - Ruko GmbH
Benefit from the combination of high-speed steel construction, a 55 mm cutting depth and a Weldon 19.05 mm shank to ensure reliable core extraction and consistent performance in demanding workshop applications; order the core drill directly via Metav Werkzeuge or consult the specialists for technical advice. RUKO core drill Ø 18 mm HSS — 55 mm cutting depth, Weldon shank RUKO core drill Ø 18 mm HSS for precise core drilling in steel, cast iron and a range of non-ferrous and light metals High-performance HSS construction 55 mm cutting depth for deep core holes Weldon shank 19.05 mm (3/4") Suitable for steel, cast iron and non-ferrous metals Consistent cutting power for mixed-metal workshops The High-speed steel (HSS) body delivers a balance of toughness and wear resistance, making the tool suited to repeated use on a variety of materials. Where cores must be extracted cleanly from structural components, the Ø 18 mm geometry and robust HSS grade reduce the risk of break-out and maintain hole geometry over longer production runs. The specification that rates the tool for steel, cast iron and non-ferrous metals provides clarity on application ranges without requiring specialist materials knowledge. Reliable core depth and clean removal A defined 55 mm cutting depth enables the removal of substantial core sections in a single pass, shortening process time compared with shorter drills. The tool’s 5 cutting edges contribute to even chip formation and reduce vibration, which in turn helps to preserve hole roundness and surface quality. In practice this means fewer reworks and more stable cycle times on repetitive jobs, translating into measurable improvements in workshop throughput. Secure retention and rapid changeover The Weldon shank design with 19.05 mm (3/4") diameter supports secure clamping in common holders and adaptors used across fabrication and maintenance shops. The shank form facilitates quick tool changes and dependable torque transfer under load, reducing setup time and the likelihood of slippage during interruption-prone operations. With an overall length 88 mm, the drill provides sufficient reach while still fitting standard holder depths. Built for production environments The construction and geometry of the drill address the demands of continuous use: material compatibility and the robust shank together reduce incidental downtimes and help maintain consistent tool life. The combination of HSS material and precise flute geometry makes the tool a pragmatic choice for workshops that require predictable performance without excessive investment in specialised tooling. Practical handling and maintenance notes The straight Weldon shaft simplifies clamping and eliminates the need for complex adapters in most cases; regular inspection of the clamping face and periodic sharpening when wear begins will extend service life. For users less familiar with HSS core drills, basic guidance on feed rates and coolant use can reduce thermal loading and preserve edge geometry — measures that support predictable, repeatable results in everyday production. Application summary and workshop fit As a compact, workhorse-style core drill, the product suits general fabrication, repair and maintenance tasks where hole integrity and repeatability are priorities. The tolerance-friendly geometry and material suitability ensure that the tool integrates into mixed-metal workflows and supports efficient batch processing with limited set-up complexity. Contact Metav Werkzeuge for a tailored recommendation or to secure this RUKO core drill — Metav Werkzeuge GmbH in Emmerich can provide detailed application advice and fast delivery: info@metav-werkzeuge.com | +49 2822 7131930 Technical data Article number: 4000602449NW Label: Kernbohrer D.18mm HSS Schnitt-T.55mm Weldon RUKO Manufacturer: Ruko GmbH Product type: Core drill Material: HSS Facts Diameter: 18 mm Cutting depth: 55 mm Overall length: 88 mm Number of cutting edges: 5 Shank: Weldon 19.05 mm (3/4") Special features Weldon shank 19.05 mm (3/4") Suitable for steel, cast iron, non-ferrous and light metals Packaging unit: 1 UID: 4000602449NW FAQ What materials can be machined with this core drill? The RUKO core drill Ø 18 mm HSS is specified for machining steel, cast iron and a range of non-ferrous and light metals, making it suitable for common fabrication and maintenance applications. Which shank holder is required for this tool? A Weldon clamping system compatible with a 19.05 mm (3/4") shank is required; the Weldon shank on the RUKO core drill ensures secure retention in standard holders. How deep will this drill cut in a single pass? The core drill provides a 55 mm cutting depth, allowing the removal of significant core lengths in a single operation when used with appropriate feed and clamping. How many cutting edges does the drill have and why does that matter? This tool has 5 cutting edges, which supports even chip formation and reduced vibration, contributing to improved hole quality and extended tool life under repetitive use. What maintenance extends the life of the core drill? Regular inspection of the cutting faces, correct clamping in a Weldon holder and periodic resharpening when wear occurs will prolong the service life of the RUKO core drill; using suitable coolant where recommended reduces thermal stress. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
18mm Core Drill HSS TiAlN 30mm Cutting Depth Weldon Shank - Ruko GmbH
Take advantage of the TiAlN hard-coating and HSS base material for longer tool life and consistent hole quality; the Weldon shank ensures secure clamping for heavy-duty cycles. Order the Ruko core drill directly via Metav Werkzeuge or consult our specialists for application-specific advice. Ruko core drill D 18 mm HSS with TiAlN, 30 mm cutting depth (Weldon shank) A Ruko core drill D 18 mm HSS TiAlN with Weldon shank, engineered for reliable, high-temperature-resistant drilling in alloyed and unalloyed steels and cast materials. TiAlN coating for high temperature resistance Suitable for alloyed and unalloyed steel Weldon shank 19.05 mm (3/4") for secure clamping Optimised for dry machining and extended tool life Boosted uptime and consistent hole quality The combination of HSS substrate and a TiAlN wear-protection layer delivers measurable production benefits: the coating raises surface hardness to roughly 3,000 HV and preserves cutting performance at elevated temperatures (hot hardness up to 900°C). For workshop managers these properties translate into longer tool life and fewer tool changes per shift, reducing machine downtime and improving throughput. The construction and hardening are aimed at maintaining roundness and dimensional stability across repetitive bore cycles, supporting a steady output in small-batch and series production. Material range and machining conditions that work for industry Designed for machining unalloyed and alloyed steels (rated for use up to 1,200 N/mm²), high-chromium stainless steels such as V2A/V4A, steel castings and tough brass, the cutter maintains cutting-edge stability under demanding conditions. The tool features five cutting edges, which improve chip control and produce cleaner bore walls compared with simpler geometries. Thanks to the Weldon shank (19.05 mm / 3/4"), clamping is secure in standard holders, making the tool compatible with common tooling systems and ideal for higher feed forces where slip must be avoided. Practical workshop integration and operational advantages Optimised for dry machining, this core drill reduces reliance on soluble coolant, lowering running costs and simplifying chip and fluid management at the bench. The tool’s combination of coating and geometry supports higher cutting speeds where appropriate, enabling a favourable cost-per-hole ratio in many production scenarios. For maintenance and stock planning, the compact overall length (63 mm) and clearly defined 30 mm cutting depth make tool holders and inventory management straightforward. Confidence in repeatability and supply reliability is backed by Metav Werkzeuge’s position as a precision partner for industry and trade, ensuring consistent availability and expert advice when adapting the tool to specific tasks. Contact Metav Werkzeuge for tailored recommendations on the Ruko core drill and to secure immediate supply from Emmerich – email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 4000602395NW Product: Core drill Brand: Ruko GmbH Coating: TiAlN Material: HSS Shank type: Weldon 19.05 mm (3/4") Facts Diameter: 18 mm Total length: 63 mm Cutting depth: 30 mm Cutting edges: 5 Shank diameter: 19.05 mm (3/4") Special features TiAlN increases surface hardness to ~3,000 HV Hot hardness resistance up to 900°C Suitable for unalloyed and alloyed steels up to 1,200 N/mm² Suitable for high-chromium steels (V2A/V4A) Suitable for steel cast and tough brass Dry machining capable Weldon shank for secure clamping FAQ How deep can this core drill cut? The specified cutting depth is 30 mm, which defines the maximum effective bore depth for the Ruko core drill (SKU 4000602395NW). Is the TiAlN coating suitable for dry machining? Yes, the TiAlN wear coating is designed for high thermal stability and supports dry machining, reducing the need for external cooling in many applications. Which materials are recommended for this drill? The tool is intended for unalloyed and alloyed steels up to 1,200 N/mm², high-chromium steels such as V2A/V4A, steel castings and tough brass, as specified for the Ruko core drill. What shank interface is required? A Weldon shank with a 19.05 mm (3/4") diameter is used for secure clamping; this ensures reliable seating in Weldon-compatible holders during heavier drilling operations. How do the five cutting edges affect performance? The five cutting edges improve chip control and bore finish, delivering smoother cutting action and helping to maintain hole accuracy across repeated cycles with the Ruko core drill. Ruko GmbH: Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
18mm Core Drill Solid Carbide 50mm Cutting Depth Quick IN Shank - Ruko GmbH
Take advantage of a solid carbide design with a 50 mm cutting depth and a fast-change Quick IN shank for consistent performance in high-strength materials; order or discuss technical options via Metav Werkzeuge for a tailored workshop solution. Ruko solid-carbide core drill Ø18 mm — 50 mm cutting depth, Quick IN shank The Ruko solid-carbide core drill Ø18 mm is a robust core drill designed for precise core holes in high-strength steels and other demanding materials, suited to industrial workshops and fabrication environments. Solid carbide construction 50 mm cutting depth Quick IN shank 18 mm Five cutting edges for fast removal High-performance cutting in tough materials The solid-carbide construction delivers exceptional rigidity and wear resistance, enabling reliable holemaking in high-strength substrates. With a 50 mm cutting depth and five cutting edges, the tool maintains steady feed rates while reducing burr formation. This results in fewer rework cycles and improved throughput when working with materials such as quenched steels and alloyed grades. The design translates into measurable productivity: longer tool life and consistent hole geometry, which supports streamlined production processes. Precision and stability for repeatable holes A well-balanced geometry and carbide cutting faces ensure that each bore is concentric and true, minimising the need for secondary machining. The Quick IN shank provides secure retention in compatible chucks and quick tool changes, reducing set-up time between operations. These attributes combine to reduce cycle variability on production runs, helping maintain process tolerances and supporting quality control requirements in serial manufacturing. Built for demanding industrial applications Engineered for heavy-duty use, this core drill is especially suited to applications involving rail components, abrasion-resistant steels such as Hardox and Weldox, and high-chrome or stainless alloys. The combination of a robust carbide body and multi-edge cutting geometry ensures efficient chip evacuation and heat resistance during sustained operation, which is particularly beneficial in fabrication shops and maintenance workshops processing mixed batches of ferrous materials. Workshop efficiency and handling The 18 mm Quick IN shank simplifies integration into modular tooling systems and minimises downtime during tool exchanges. Handling benefits include fast insertion and firm clamping, improving ergonomics for operators and reducing indirect labour costs associated with tool changes. Overall, the cutter’s construction supports a reliable production flow and helps to centralise tooling needs through durable, low-maintenance equipment. For specification advice, compatibility checks or to secure the Ruko core drill for industrial use, contact Metav Werkzeuge in Emmerich — phone +49 2822 7131930 or eMail info@metav-werkzeuge.com — for precise recommendations and fast supply. Technical Data Article number: 4000602626NW Manufacturer: Ruko GmbH Facts Diameter: 18 mm Overall length: 83 mm Cutting depth: 50 mm Number of cutting edges: 5 Shank: Quick IN 18 mm Packaging unit: 1 Special features Material: solid carbide Suitable for rail profiles Suitable for Hardox / Weldox 400 steels Suitable for steel, cast steel, high-chrome steels (V2A, V4A) and higher-alloy steels Quick IN shank system for rapid changes FAQ Which materials is this core drill suitable for? The Ruko core drill Ø18 mm is specified for a wide range of ferrous materials, including rail steel, Hardox/Weldox 400, general steel, cast steel and high-chrome stainless steels such as V2A and V4A. What is the effective cutting depth of the tool? The tool provides a 50 mm cutting depth, enabling through-holes and partial bores within that axial range. What shank system is used and how does it affect set-up? The drill features a Quick IN shank 18 mm, designed for rapid insertion and secure clamping in compatible holders, which shortens tool-change time in the workshop. How many cutting edges does the cutter have and what is the benefit? This core cutter has five cutting edges, which supports efficient material removal and a smoother hole wall finish, reducing secondary finishing operations. Is the tool appropriate for production environments with frequent tool changes? Yes; the combination of solid carbide construction and the Quick IN shank makes the cutter durable and quick to replace, supporting high-uptime production workflows. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
18mm Core Drill Ultra 35 Solid Carbide Tipped 35mm Cut Depth, Quick IN Shank - C. & E. Fein GmbH
Take advantage of the combination of a carbide‑tipped cutting head, an efficient Quick IN 18 mm shank and a 35 mm cutting depth for fast, repeatable core drilling. Order the part directly via Metav Werkzeuge or consult the team for specification support. Fein Ultra 35 core drill D18 mm Quick IN — carbide‑tipped core drill with 35 mm cutting depth The Fein Ultra 35 core drill is a metric core bit designed for industrial drilling tasks that require fast changeovers and durable cutting performance, featuring an 18 mm diameter and a Quick IN shank for secure machine attachment. Carbide‑tipped for extended tool life Quick IN shank 18 mm for rapid changes 35 mm cutting depth for deep core holes Six cutting edges for stable chips and precision Consistent performance for industrial core drilling The carbide‑tipped design delivers high wear resistance and consistent cutting geometry, so the tool maintains hole quality over long production runs. With an 18 mm diameter and a 35 mm effective cutting depth, the bore is established quickly while limiting rework. The construction supports continuous operation in demanding environments, which translates into fewer tool changes and more predictable cycle times. The result is a dependable core bit that supports throughput without compromising hole accuracy. Fast changeover and stable operation reduces downtime The Quick IN shank (18 mm) simplifies attachment to compatible holders and power heads, enabling rapid swap‑outs and minimising machine downtime. The shank design promotes concentricity and stable clamping, which helps to preserve the precision of each hole and reduces vibrations that can shorten tool life. Metric dimensions and a standardised mounting make this core drill straightforward to integrate into existing setups that accept Quick IN interfaces. Designed for repeatable results and lower tooling costs Equipped with six cutting edges, the drill distributes cutting forces evenly for smoother chip formation and better surface finish in production settings. The carbide tipping (HM‑tipped) provides hardness at the cutting zone while the body absorbs load, balancing toughness and wear resistance. This configuration results in a longer service life per part and fewer interruptions for replacement. For customers less familiar with the term: carbide‑tipped means a hard metal alloy is brazed to the cutting face to resist heat and abrasion, which is especially beneficial in repetitive industrial applications. For precision drilling tasks that demand durability and quick tool changes, request the Fein Ultra 35 core drill through Metav Werkzeuge — contact our specialists at info@metav-werkzeuge.com or +49 2822 7131930 for procurement and technical guidance Technical data Article number / SKU: 4149702018NW Type: Ultra 35 Product type: Core drill Manufacturer: C. & E. Fein GmbH Facts Diameter: 18 mm Total length: 77 mm Cutting depth: 35 mm Cutting edges: 6 Shank: Quick IN shank 18 mm Packaging unit: 1 Special features HM‑tipped (carbide‑tipped) Quick IN shank 18 mm Metric dimensions Highest stand time and excellent machining performance FAQ What machine interface is required for the shank? The shank requires a Quick IN 18 mm holder; the Quick IN shank ensures secure clamping and rapid changeover on compatible systems. How deep can the drill cut in a single operation? The drill offers a cutting depth of 35 mm, suitable for producing through or deep core holes depending on the workpiece thickness. How many cutting edges does the bit have and what is the benefit? The bit has six cutting edges, which helps to distribute cutting forces evenly, improve chip formation and support consistent hole quality. Is the cutting tip carbide or solid carbide? The cutting tip is carbide‑tipped (HM‑tipped), combining a wear‑resistant cutting face with a robust tool body to balance toughness and longevity. Can this core drill be used in high‑volume production? Yes, the design emphasises long service life and fast changeovers, making it well suited to repetitive industrial production where tool life and uptime matter. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
19mm Core Drill DURA 25 TiN-Coated 25mm Cut Depth, Quick IN-Shaft 18mm - C. & E. Fein GmbH
Take advantage of high cutting performance and extended tool life thanks to the TiN coating and HSS construction, combined with the fast-change Quick IN 18 mm shank for efficient machining cycles. Order the annular cutter directly via Metav Werkzeuge or consult our specialists for application advice. DURA 25 annular cutter – 19 mm, TiN-coated, Quick IN shank A DURA 25 annular cutter designed for precise, repeatable holemaking with a 25 mm cutting depth and HSS construction for robust performance in industrial settings HSS material with TiN coating Quick IN 18 mm shank system 25 mm effective cutting depth 19 mm diameter with five cutting edges Precision and durability for consistent holemaking The annular cutter delivers high repeatability through a combination of solid HSS construction and a TiN coating that reduces friction and wear. The five cutting edges provide a clean chip evacuation pattern and a stable cutting action, which results in predictable hole quality and less rework. The tool's geometry and coating together extend service intervals, supporting continuous production in small-batch and series manufacturing alike. Fast tool changes and practical workshop integration The Quick IN 18 mm shank ensures rapid tool changeover on compatible magnetic drills and arbors, reducing machine downtime and increasing throughput. With a 25 mm cutting depth and 60 mm total length, the cutter is suited to common through-hole tasks while maintaining a compact tool profile for confined setups. The combination of quick clamping and metric sizing simplifies logistics and inventory management in the workshop. Clear benefits for efficiency and process reliability Reduced cycle times and improved tool life translate into measurable gains: fewer interventions, less component scrap and steadier output quality. The TiN coating contributes to extended life and better glide characteristics on the workpiece, while the 19 mm diameter and five-flute design give a balance of cutting speed and surface finish. Where accuracy and dependable repeatability are required, this annular cutter supports an efficient and controlled production flow. Contact Metav Werkzeuge for stock checks, application guidance and to request the FEIN DURA 25 annular cutter with Quick IN shank for streamlined workshop integration Technical data Article number: 4149702557NW Type: DURA 25 Product: Annular cutter Core specifications Diameter: 19 mm Total length: 60 mm Cutting depth: 25 mm Shank: Quick IN 18 mm Cutting edges: 5 Materials & features Material: HSS Coating: TiN Metric dimensions Quick IN shank design TiN for extended tool life and improved glide FAQ What is the effective cutting depth of this annular cutter? The cutter provides a 25 mm cutting depth, suitable for common through-hole operations. What material and coating are used on this tool? This annular cutter is made from HSS and is TiN-coated to increase wear resistance and reduce friction. Which shank type does the cutter use? The tool is fitted with a Quick IN 18 mm shank for fast changeovers on compatible systems. How many cutting edges does the cutter have and what is the diameter? The cutter features five cutting edges and a 19 mm diameter for balanced cutting performance. Can the DURA 25 be used for high-production runs? The DURA 25 annular cutter's combination of HSS and TiN coating, together with a Quick IN shank, supports increased tool life and efficient changeover, making it suitable for repetitive production tasks Manufacturer: C. & E. Fein GmbH; Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
19mm Core Drill HSS 25mm Cutting Depth Weldon Shank 19.05mm - C. & E. Fein GmbH
The combination of robust HSS construction and a secure Weldon shank delivers reliable core-drilling performance and long service life; the five cutting edges and 25 mm cutting depth ensure fast material removal with minimal burrs. Order the NOVA 25 through Metav Werkzeuge or consult our technical advisors for application-specific guidance. NOVA 25 annular cutter (19 mm) – HSS with Weldon shank by C. & E. Fein NOVA 25 is an HSS annular cutter engineered for efficient core drilling in industrial metalworking and maintenance applications Solid HSS construction Weldon shank 19.05 mm (3/4") 25 mm cutting depth Five cutting edges for smooth cores Consistent, repeatable bores that reduce rework The annular cutter is designed to deliver precise bores with consistent diameters and clean edges. Its five cutting edges distribute cutting forces evenly, which reduces vibration and the risk of tapering in the hole. A nominal diameter of 19 mm combined with the cutter geometry produces burr-minimised results that lower finishing effort and shorten cycle times in series production or maintenance tasks. This stability supports predictable process planning and higher first-pass yield. Secure clamping and durable performance for tougher tasks The Weldon shank (19.05 mm / 3/4") provides secure axial and rotational clamping in Weldon-style holders and arbors, ensuring concentricity and safe driving under load. Made from high-speed steel (HSS) and optimised for high stand time, the tool sustains performance across repeated operations and abrasive conditions. The overall length of 61 mm with a 25 mm effective cutting depth is balanced for both accessibility and rigidity, offering a dependable choice where tool life and retention of geometry are priorities. Efficient chip removal and practical workshop benefits Annular cutting removes a core rather than producing a full-diameter slug, which improves material removal rates and reduces the power demand on the machine. The shorter contact length through the workpiece lowers heat build-up, while the cutter geometry supports controlled chip formation and evacuation. These factors contribute to faster setups and fewer interruptions, making the tool suitable for production lines, fabrication shops and on-site maintenance where throughput and reliability matter. Compatibility and workshop integration The cutter’s Weldon shank format and HSS material mean straightforward integration into existing tool inventories that use Weldon holders or compatible adaptors. Its compact dimensions and standardised shank diameter simplify tool changes and minimise the need for special fixtures. For workshops looking to standardise on robust core-drilling solutions, this tool provides a practical balance between durability and operational convenience. For application advice tailored to specific materials or machines, contact Metav Werkzeuge’s technical team in Emmerich for swift, expert guidance and reliable supply. Technical data Article number: 8000380299NW Type: NOVA 25 Label: Kernbohrer NOVA 25 D.19mm HSS Schnitt-T.25mm Weldon FEIN Product type: annular cutter Manufacturer: C. & E. Fein GmbH Core specifications Material: HSS Diameter: 19 mm Overall length: 61 mm Cutting depth: 25 mm Cutting edges: 5 Shank design: Weldon shank 19.05 mm (3/4") Packaging unit: 1 Special features High wear resistance / high stand time Secure Weldon shank for positive retention Efficient core removal for faster drilling Designed for metalworking and maintenance tasks FAQ What materials is this annular cutter suitable for? The NOVA 25 annular cutter, made from HSS, is intended for common metalworking tasks; its geometry and robust material promote effective cutting in a range of ferrous workshop applications. How does the Weldon shank benefit workshop use? The Weldon shank (19.05 mm / 3/4") secures the cutter positively in Weldon-style holders and arbors, improving concentricity and reducing slippage during high-torque operations. Can the cutter be re-sharpened or reused? The HSS construction allows for reconditioning in many cases; re-sharpening should be performed by a qualified service to maintain original geometry and the five-edge balance. Which machines are compatible with this core drill? The tool fits Weldon-holder-equipped drilling stations and magnetic drills with suitable Weldon adaptors; the shank format is a standard for secure mounting in industrial settings. What makes this cutter efficient compared with twist drills? As an annular cutter, it removes a ring-shaped core rather than the full material column, yielding faster metal removal, lower thrust forces and cleaner hole edges compared with conventional twist drills. Manufacturer: C. & E. Fein GmbH; Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
19mm Core Drill HSS 30mm Cutting Depth Weldon Shank - Ruko GmbH
Take advantage of the HSS construction, 30 mm cutting depth and Weldon shank for reliable, burr‑reduced holemaking in steel and non‑ferrous materials; order directly via Metav Werkzeuge or consult our product specialists for selection advice. Annular Cutter Ø 19 mm HSS, 30 mm cutting depth – RUKO The 19 mm annular cutter is a high‑speed steel core drill designed for fast, clean bore production in steel, castings and light alloys, operated with Weldon‑style clamping systems High-speed steel construction for long life 30 mm cutting depth for efficient material removal Weldon shank 19.05 mm for secure clamping Five cutting edges for smooth, burr‑reduced holes Precision holes with efficient cutting performance The Annular Cutter Ø 19 mm HSS, 30 mm cutting depth – RUKO is engineered to remove a thin ring of material rather than the full core, which significantly reduces drilling torque and cycle times compared with conventional twist drills. The five cutting edges distribute load evenly, producing consistent hole diameters with less burr formation. The specified 30 mm cutting depth meets common requirements for structural components and plate work while keeping chip evacuation efficient, so production runs are smoother and less demanding on the machine. Robustness for steel, castings and light metals Constructed from HSS, this annular cutter resists deformation and wear in interrupted cuts and heavier stock removal. It is suitable for steel, cast iron and non‑ferrous metals, making it a versatile choice for fabricators working with T‑beams, large plates and general workshop components. The material selection delivers a balance between toughness and hardness, so downtimes for tool changes are reduced and overall process reliability improves—benefits that translate into measurable productivity gains on the shop floor. Secure clamping and compatibility with drilling systems The Weldon shank design ensures rigid, slip‑free clamping in standard holders and magnetic drills, reducing runout and improving hole concentricity. The shank dimension 19.05 mm (3/4") matches common arbors for annular cutters, while the 63 mm total length provides sufficient reach for typical setups. Secure clamping reduces vibration and heat build‑up, which helps maintain bore quality and extends service life of the cutter and the machine spindle. Practical selection for workshop performance Choosing this core drill over multiple twist drills saves time when producing medium‑sized holes, since only the annular cutter removes the material ring and leaves a solid slug. Supplied as a single unit (packaging unit: 1), it fits into a routine maintenance strategy where repeatability and tool interchangeability matter. Metav’s distribution model combines broad stock availability with technical guidance from an experienced partner, helping shops reduce supplier complexity and secure consistent tool quality for daily production. For fast availability and tailored selection of the RUKO annular cutter, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 for personal advice and direct supply Technical data Article number: 4000602298NW Product: Annular cutter Material: HSS Diameter: 19 mm Total length: 63 mm Cutting depth: 30 mm Number of cutting edges: 5 Shank: Weldon 19.05 mm (3/4") Manufacturer: Ruko GmbH Facts Diameter: 19 mm Cutting depth: 30 mm Total length: 63 mm Shank diameter: 19.05 mm (3/4") Number of cutting edges: 5 Special features Weldon shank for secure clamping Suitable for steel, cast iron, non‑ferrous and light metals High‑speed steel construction Packaging unit: 1 FAQ What materials can this cutter machine handle? The annular cutter is suitable for steel, cast iron and non‑ferrous metals; the RUKO core drill is designed for common workshop and fabrication materials. How deep can the cutter drill in one pass? The tool offers a cutting depth of 30 mm, enabling efficient holemaking in plates and sections within that depth range. What shank type is required for mounting? The cutter uses a Weldon shank (19.05 mm / 3/4"), compatible with standard Weldon holders and magnetic drilling arbors for secure clamping. How many cutting edges does the tool have and what is the benefit? With five cutting edges, the cutter provides balanced cutting forces and reduced burr formation for cleaner bores. What is the product SKU for ordering or reference? Reference SKU 4000602298NW when ordering the RUKO annular cutter to ensure the correct Ø 19 mm, HSS, 30 mm cutting depth variant. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
19mm Core Drill HSS 55mm Cutting Depth Weldon Shank - Ruko GmbH
Benefit from the combination of high-speed steel construction, 55 mm cutting depth and a sturdy Weldon shank for reliable, fast holemaking; order the annular cutter directly via Metav Werkzeuge or consult our specialists if required. Kernbohrer D.19mm HSS Schnitt-T.55mm Weldon RUKO — Annular cutter with 19 mm diameter and 55 mm cutting depth The Kernbohrer D.19mm HSS Schnitt-T.55mm Weldon RUKO is a precision annular cutter designed for heavy-duty metalworking, offering efficient material removal in steel, cast iron and non-ferrous metals. High-speed steel construction HSS 55 mm cutting depth for deep holes Weldon shank 19.05 mm (3/4") Five cutting edges for efficient cutting Increase throughput with faster, cleaner holemaking Constructed from high-speed steel (HSS), this annular cutter delivers consistently fast performance when producing larger diameter holes. The design removes only the material of the hole’s circumference rather than the full core, which reduces machining time and power consumption compared with twist drills for the same diameter. The five cutting edges promote a cleaner bore and reduced burr formation, meaning less rework and shorter cycle times. For production workshops and maintenance departments, this translates into better utilisation of machine time and fewer tool changes. Robust shank design for secure clamping and concentricity The Weldon shank with a diameter of 19.05 mm (3/4") ensures secure clamping in standard Weldon holders, improving concentricity and torque transmission on magnetic drills and milling machines. A reliable shank interface reduces runout and vibration during cutting, which in turn extends tool life and yields more accurate hole tolerances. The combination of a solid shank and HSS body provides stability during intermittent deep cutting—particularly valuable when working on structural elements such as T‑beams or large sheet assemblies. Versatile material compatibility for workshop flexibility This cutter is suitable for machining steel, cast iron, brass and aluminium as well as other light metals, making it a versatile addition to a mixed‑material production environment. The 55 mm cutting depth enables through-holes and deep blind holes without swapping tools, while the annular cutting principle minimises heat build-up and chip load. For users less familiar with annular cutters, note that the tool leaves a solid slug rather than chips of core material, simplifying chip evacuation and post‑process cleanup. Practical considerations for integration and safety Using the cutter with appropriate cutting fluid and secure clamping is recommended to maximise life expectancy and hole quality. The tool’s compact overall length of 88 mm keeps feed paths short and maintains rigidity in standard magnetic drilling setups. Given the industrial context, this annular cutter supports efficient machining workflows and reduces total machining cost per hole through faster cycle times and longer intervals between regrinds or replacements. For workshop procurement and technical advice contact Metav Werkzeuge — order this Ruko annular cutter via Metav Werkzeuge or call +49 2822 7131930 for personalised guidance Technical Data Article number: 4000602450NW Designation: Kernbohrer D.19mm HSS Schnitt-T.55mm Weldon RUKO Manufacturer: Ruko GmbH Packaging unit: 1 Facts Diameter: 19 mm Cutting depth: 55 mm Overall length: 88 mm Cutting edges: 5 Shank diameter: 19.05 mm (3/4") Special features Made from high-speed steel (HSS) Weldon shank 19.05 mm (3/4") Suitable for steel, cast iron, brass and light metals FAQ Is this cutter suitable for use on thick steel sections? Yes. The Kernbohrer D.19mm HSS Schnitt-T.55mm Weldon RUKO is designed for steel sections and large-format plates and provides a 55 mm cutting depth suitable for many thick materials. Which holder is required for secure clamping of the shank? A standard Weldon holder compatible with a 19.05 mm (3/4") shank is required to clamp the Ruko annular cutter securely for concentric, vibration‑free operation. Can this tool be used on stainless steel or hardened materials? The cutter is manufactured from HSS and is optimised for common steels, cast iron and non-ferrous metals; for stainless steel or hardened materials, tool selection should be verified against specific material grades and application demands. How many cutting edges does the tool have and what benefit do they provide? The tool features five cutting edges, which support efficient chip formation and produce cleaner bores with reduced burrs compared with fewer‑edged designs. What is the total length of the tool and how does that affect setup? The overall length is 88 mm, offering a stable, compact profile that maintains rigidity in magnetic drill and milling setups while allowing sufficient reach for the stated 55 mm cutting depth. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
19mm Core Drill Solid Carbide 50mm Cutting Depth Quick IN Shank - Ruko GmbH
Take advantage of a combination of high cutting performance and rapid tool changes for uninterrupted production. The solid carbide design and Quick IN shank ensure long service life and fast swap‑outs; order via Metav Werkzeuge or consult our specialists for application advice. Core drill Ø19 mm — solid carbide, 50 mm cutting depth (Ruko) The Core drill Ø19 mm is a heavy‑duty annular cutter engineered for demanding work on high‑alloy steels and rails, offering a 50 mm cutting depth and a Quick IN 18 mm shank for fast tool changes Solid carbide construction for durability 50 mm effective cutting depth for deep holes Quick IN shank 18 mm for rapid changeovers Suitable for Hardox, Weldox 400 and V2A/V4A steels High productivity and material versatility for industrial applications The annular cutter’s solid carbide build delivers consistent edge stability under high load, enabling efficient machining of a wide range of challenging materials. With a 50 mm cutting depth and a nominal Ø19 mm diameter, the tool is optimised for fabricators and maintenance teams who require precise through‑holes without excessive axial force. Compatibility with Hardox, Weldox 400, railway rails and high‑chromium grades such as V2A and V4A reduces the need for multiple specialised cutters and streamlines workshop tooling inventories. Reduced downtime through rapid clamping and robust geometry The Quick IN shank 18 mm provides secure seating and extremely fast changeovers in compatible holders, cutting valuable minutes from tool changes during shift work. The cutter’s five cutting edges ensure balanced engagement and an even wear profile, which supports longer intervals between regrinds and replacement. The overall length of 83 mm combines reach with rigidity, so holes remain true while chip loads are distributed across multiple edges for improved surface finish and fewer heat hotspots. Practical explanation of function and benefit for everyday workshop use As an annular cutter, this tool removes a ring of material rather than the full core, lowering drilling forces and reducing energy consumption compared with solid twist drilling at the same diameter. The solid carbide composition offers superior hardness and wear resistance, which is particularly relevant when working with high‑alloy and heat‑treatable steels. For teams unfamiliar with annular cutters, this means faster cycles, cleaner holes and less strain on magnetic bases and drilling rigs during repetitive production tasks. Application scenarios and reliability for heavy‑duty tasks Designed for heavy fabrication, rail maintenance and workshop production, the cutter is a practical choice where repeatability and uptime matter. Its geometry and carbide cutting edges are tailored to maintain cutting efficiency in steel, cast steel and higher alloy metals, helping to ensure consistent hole quality across batches. Where speed and reliability are priorities, the combination of solid carbide construction and Quick IN mounting supports uninterrupted workflows and predictable tool life, reducing administrative overhead for inventory turnover. Contact Metav Werkzeuge for tailored advice on tool holders and application suitability, or request a consultation to confirm fitment for specific steel grades — Metav Werkzeuge supplies this Ruko solution direct from Emmerich and can advise on delivery and compatibility Technical data Article number: 4000602627NW Product type: Core drill Manufacturer: Ruko GmbH Präzisionswerkzeuge Material: Solid carbide Label: Kernbohrer D.19mm Vollhartmetall Schnitt-T.50mm Quick IN RUKO Facts Diameter: 19 mm Overall length: 83 mm Cutting depth: 50 mm Number of cutting edges: 5 Shank: Quick IN‑shank 18 mm Packaging unit: 1 Special features Solid carbide construction Carbide cutting edges Quick IN shank 18 mm Suitable for Hardox and Weldox 400 steels Suitable for railway rails and high‑chromium steels (V2A, V4A) Designed for heavy‑duty industrial use FAQ What materials can this core drill machine through? The Ruko core drill is suitable for a broad range of steels including Hardox, Weldox 400, general structural steel, steel castings and higher‑alloy stainless grades such as V2A and V4A. Is the shank compatible with standard tool holders? The cutter is fitted with a Quick IN shank 18 mm, designed for quick clamping systems compatible with Quick IN tool holders; compatibility should be verified with the selected holder type. How many cutting edges does the cutter have and why does that matter? This annular cutter has five cutting edges; the multiple‑edge geometry spreads the cutting load, improving finish and extending the service life compared with fewer‑edged variants. Can the core drill be used for rail maintenance? Yes, the tool is specified for heavy applications including railway rails, where the solid carbide design supports the demands of frequent, high‑force drilling operations. Manufacturer / Responsible: Ruko GmbH Präzisionswerkzeuge, Robert‑Bosch‑Strasse 7, 71088 Holzgerlingen
20mm Core Drill HSS 25mm Cutting Depth Weldon Shank 19.05mm - C. & E. Fein GmbH
Take advantage of a high-speed‑steel annular cutter that combines precise 20 mm holemaking, a 25 mm cutting depth and a robust Weldon shank for secure clamping — resulting in reliable, repeatable performance on production runs. Order the tool directly via Metav Werkzeuge or contact the team for application advice. Core drill NOVA 25 – 20 mm HSS annular cutter with Weldon shank (FEIN) The NOVA 25 core drill is a high‑speed steel annular cutter designed for efficient holemaking where consistent hole quality and safe clamping are required HSS construction for long life Weldon shank 19.05 mm (3/4") 20 mm diameter core drill 25 mm cutting depth Precise holes with durable HSS cutting geometry The annular cutter is manufactured from HSS, offering a balance of hardness and toughness that supports sustained cutting performance. The 5 cutting edges distribute cutting forces evenly, reducing vibration and producing a clean, burr‑reduced bore. For workshop managers and production engineers this means fewer secondary finishing steps and more consistent hole tolerances across a run, which helps to reduce rework and maintain throughput. Secure clamping and stable machining for repeatability With a Weldon shank (19.05 mm / 3/4"), the tool locks firmly in place during heavy machining cycles. The shank design minimises slippage in the arbor or holder and promotes torque transfer without compromising concentricity. Combined with the cutter’s overall length of 61 mm, the configuration supports stable machining even when used in common magnetic or drill‑press arbors, improving repeatable results for serial operations. Short cutting cycles and straightforward tool handling The defined 25 mm cutting depth and medium overall length reduce chip evacuation distances and operator handling time. The cutter’s geometry enables efficient material removal per pass, shortening cycle times for blind‑through and stopped holes within its depth range. Maintenance is straightforward: the robust construction requires minimal attention between regrinds, supporting continuous productivity in a busy workshop. Integration into existing workflows and procurement The tool is supplied as a single unit with a Weldon shank suitable for standard holders; the compact specification eases stocking and tool-change logistics. Technical procurement benefits from clear, machine‑readable specification: 20 mm diameter, 25 mm cutting depth, HSS material, Weldon shank 19.05 mm, and 5 cutting edges. For specialist applications or compatibility checks, technical advisers at Metav Werkzeuge are available to confirm fitment with common arbors and holders. Contact Metav Werkzeuge for procurement, compatibility checks or batch supply requests and benefit from Metav’s experience ensuring precision tools reach the workshop reliably Technical data Article number: 8000380301NW Product label: Core drill NOVA 25 D.20 mm, HSS, cutting depth 25 mm, Weldon, FEIN Product type: Core drill (annular cutter) Facts Diameter: 20 mm Total length: 61 mm Cutting depth: 25 mm Cutting edges: 5 Shank: Weldon 19.05 mm (3/4") Special features Material: HSS Weldon shank for secure clamping High service life FAQ What materials is this annular cutter made from? The tool is made from HSS (high‑speed steel), which combines hardness and toughness for sustained cutting performance. What is the exact cutting depth and diameter of the cutter? The cutter has a 20 mm diameter and a 25 mm cutting depth, suitable for holes within that depth range. How is the cutter held in the machine? The cutter uses a Weldon shank (19.05 mm / 3/4"), designed for secure clamping in compatible holders and arbors. How many cutting edges does the tool have and why does that matter? The cutter features 5 cutting edges, which helps distribute cutting forces and improves hole finish and stability. Can the NOVA 25 core drill SKU 8000380301NW be ordered in single units? Yes, the item is supplied in a unit packaging of one and can be ordered as a single unit. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
20mm Core Drill HSS 30mm Cutting Depth Weldon Shank 3/4" - Ruko GmbH
Take advantage of the combination of durable HSS construction, a secure Weldon shank and a 30 mm cutting depth for consistent, precise hole-making; order directly via Metav Werkzeuge or consult our specialists for seamless integration into production. RUKO Core Drill D 20 mm HSS – 30 mm cutting depth, Weldon shank The RUKO Core Drill D 20 mm HSS is a high-performance core drill for metal fabrication that delivers precise, repeatable holes in steel, cast iron and light non‑ferrous metals while offering firm clamping via a Weldon shank. High-performance HSS material 30 mm cutting depth for core holes Weldon shank 19.05 mm (3/4") Six cutting edges for efficient chip removal Reliable cutting performance for industrial workflows Constructed from HSS, this core cutter balances toughness and heat resistance to withstand continuous operation in workshop and fabrication environments. The combination of 20 mm diameter with a 30 mm cutting depth and a total length of 63 mm provides a predictable drilling envelope for through‑holes and semi‑through operations. The solid high‑speed steel body reduces the risk of premature wear, supporting longer service intervals and stable cycle times — a clear efficiency gain in production settings. Secure mounting and improved hole quality A Weldon shank with a diameter of 19.05 mm (3/4") provides positive axial and torsional locking in suitable holders, reducing runout and vibration during cutting. This stability translates into more precise holes, reduced burr formation and less rework. The shank design also speeds tool changes in hedgehog-style or set-screw chucks, contributing to smoother process flow and measurable time savings on repetitive drilling tasks. Versatile compatibility with common engineering materials Designed for machining steel (including structural T‑sections and large sheets), cast iron, and a range of non‑ferrous and light metals, the core drill supports diverse shop requirements without frequent tool swaps. The geometry and number of cutting lips are optimised for reliable chip formation in mixed material work, enabling workshops and maintenance departments to cover multiple applications with a single tool type while maintaining consistent surface and dimensional quality. Efficient chip control and durable cutting geometry Equipped with six cutting edges, the cutter promotes finer chip fragmentation and steady evacuation from the hole, which helps to avoid clogging and overheating in deeper cuts. The multi‑edge configuration also distributes cutting forces across several lips, reducing localized wear and sustaining sharpness for longer. Routine care — secure clamping, correct feed and adequate coolant — will preserve the tool’s geometry and maximise service life, ensuring dependable performance in daily production. Consult Metav Werkzeuge for tailored advice and reliable supply from Emmerich — secure the RUKO core drill with Weldon shank for dependable, precision drilling and arrange next‑day availability through our specialists Technical data Article number: 4000602299NW Label: RUKO Core drill D 20 mm HSS, 30 mm cutting depth, Weldon shank Manufacturer: Ruko GmbH Product type: Core drill Packing unit: 1 Dimensions & core data Diameter: 20 mm Total length: 63 mm Cutting depth: 30 mm Shank diameter: 19.05 mm (3/4") Cutting edges: 6 Materials & special features Material: HSS Suitable for: steel, cast iron, non‑ferrous and light metals Shank type: Weldon Application: industrial drilling, fabrication, maintenance FAQ Which materials can be machined with this core drill? The RUKO core drill D 20 mm HSS is suitable for steel (including structural profiles and large plates), cast iron, and various non‑ferrous and light metals, making it versatile for fabrication and repair tasks. How does the Weldon shank influence performance? The Weldon shank (19.05 mm / 3/4") provides positive locking in set‑screw or Weldon holders, which reduces runout and vibration and improves hole concentricity when using the RUKO core drill. What are the effective cutting and overall dimensions? The tool offers a 30 mm cutting depth with a total length of 63 mm, suitable for standard core drilling operations where controlled depth and repeatability are required. Why is HSS a good choice for this core drill? High‑speed steel combines heat resistance with toughness; the HSS construction of the RUKO core drill yields durable cutting performance under intermittent and continuous loads common in workshop environments. How do six cutting edges affect drilling behaviour? The six cutting edges promote finer chip formation and efficient evacuation, which helps to maintain cutting stability, reduce localised wear and sustain consistent hole quality over longer runs with the RUKO core cutter. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
20mm Core Drill HSS 55mm Cut Depth Weldon Shank 3/4" - Ruko GmbH
Benefit from the combination of high-performance HSS construction and a secure Weldon 3/4" shank with 55 mm cutting depth to achieve reliable, repeatable core drilling in structural steel and non‑ferrous metals. Order the core drill directly via Metav Werkzeuge or ask our consultants for compatibility advice. Core drill Ø20 mm HSS, 55 mm cutting depth – RUKO (Weldon shank) The Core drill Ø20 mm HSS, 55 mm cutting depth, Weldon shank (RUKO) is a robust core drilling solution for producing clean holes in steel, cast components and non‑ferrous materials with a secure 3/4" Weldon connection. High-performance HSS construction 55 mm effective cutting depth Weldon shank 19.05 mm (3/4") secure fit Suitable for steel and non‑ferrous metals Precision material and cutting geometry for consistent holes Constructed from HSS, the core bit delivers a balance of wear resistance and edge stability that supports stable hole geometry under repeated use. The multi-edge design with 6 cutting edges distributes cutting forces evenly, which reduces the tendency for chatter and supports clean chip formation. This reliability in cutting behaviour translates into fewer scrapped parts and improved throughput on production and maintenance tasks. Secure clamping and controlled penetration for workshop productivity The Weldon shank 3/4" affords a positive, torque-resistant connection to standard holders and adaptors, ensuring consistent concentricity during drilling. With a 55 mm cutting depth and 88 mm overall length, the bit is configured for medium-depth through-holes in thicker sections while maintaining a compact overall footprint. The combination of secure clamping and conservative geometry reduces vibration and allows steady feed rates, improving cycle time without sacrificing hole quality. Broad material compatibility to reduce tool changes The design is suitable for a range of workpiece materials, including steel (for example T‑beams and large plate), cast steel and various non‑ferrous metals. This versatility reduces the need to swap tooling between common workshop applications, streamlining job preparation and lowering set-up time. When machining mixed material batches, a single core drill that reliably handles different substrates helps maintain production flow and keeps tooling logistics simple. Practical guidance for sustained performance and hole quality To maintain the bit’s performance, use appropriate cutting speeds and a suitable lubricant or coolant for the workpiece material to prevent overheating and edge rounding. Regular inspection of the cutting edges for wear will indicate when reconditioning or replacement is needed; worn edges increase cutting forces and degrade hole finish. For further advice on speeds, feeds or holder compatibility, technical assistance is available from Metav Werkzeuge via email or phone. For product compatibility checks, technical advice or to arrange supply of the RUKO core drill, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 to discuss requirements and delivery options. Technical data Article number: 4000602451NW Manufacturer: Ruko GmbH Product type: core drill Material: HSS Brand: RUKO Dimensions & core data Diameter: 20 mm Cutting depth: 55 mm Overall length: 88 mm Shank diameter: 19.05 mm (3/4") Number of cutting edges: 6 Materials & features Weldon shank 19.05 mm (3/4") Suitable for steel, cast steel, non‑ferrous and light metals Packaging unit: 1 FAQ Can this core drill be used on structural steel and large plate? Yes. The Core drill Ø20 mm HSS, 55 mm cutting depth (RUKO, SKU 4000602451NW) is specified for work on steel, including T‑beams and large-format plate. What shank size and type does the tool require? The tool is supplied with a Weldon shank of 19.05 mm (3/4"), designed for secure clamping in compatible holders. How deep can the bit cut in a single operation? The specified cutting depth is 55 mm with an overall length of 88 mm, suitable for medium-depth core drilling tasks. Is the bit suitable for aluminium and brass? Yes. The core drill is suitable for non‑ferrous and light metals as well as steel grades listed in the product data. How many cutting edges does the drill have and why does that matter? The bit has 6 cutting edges; this geometry distributes cutting forces and helps produce cleaner holes with reduced vibration. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
20mm Core Drill HSS TiAlN Coating 30mm Cutting Depth Weldon Shank - Ruko GmbH
Take advantage of the combination of high-performance HSS, TiAlN wear protection and a secure Weldon shank for reliable boremaking and longer tool life. Order directly via (Metav Werkzeuge) or ask the consultancy team for application advice. RUKO Core Drill D20 mm – HSS with TiAlN coating, 30 mm cutting depth The RUKO Core Drill D20 mm is a precision core drill designed for demanding metalworking tasks, offering robust HSS construction and a TiAlN surface treatment for extended service life in production and maintenance environments. TiAlN coating for high wear resistance Weldon 3/4" shank for secure clamping 30 mm cutting depth for deep bores Suitable for alloyed and stainless steels Engineered for sustained cutting performance The tool is manufactured from HSS and finished with a TiAlN coating, which raises surface hardness to approximately 3000 HV and preserves hot hardness up to 900°C. This combination enables higher cutting values and extended life under thermal stress; in practice it means fewer tool changes and more consistent cycle times. The 6 cutting edges reduce load per edge and contribute to stable chip formation, while the TiAlN layer also makes the tool suitable for dry machining, reducing coolant dependency in many applications. Secure clamping for repeatable bore accuracy A Weldon shank of 19.05 mm (3/4") provides positive axial locking and minimises slippage in heavy-duty holders, improving repeatability across serial operations. The tool’s 20 mm nominal diameter and 63 mm overall length allow confident setup in common milling and drilling fixtures. Secure clamping reduces runout and vibration, which directly benefits hole geometry and surface finish while lowering the risk of premature flank wear. Broad material compatibility for workshop versatility This core drill is optimised for unalloyed and alloyed steels up to 1200 N/mm², as well as high-chromium stainless steels (V2A, V4A), steel castings and tougher brass grades. The specified 30 mm cutting depth covers many standard bore requirements encountered in fabrication and repair tasks. Where material composition varies between batches, the TiAlN coating supports stable performance across mixed workloads, reducing the need for frequent tool swaps. Practical benefits for efficient workshop workflows Designed as a ready-to-fit production tool, the core drill supports quick changeovers and consistent outputs in batch work. The combination of HSS substrate and TiAlN wear protection delivers a cost-effective balance between initial investment and tool life, particularly where dry machining is advantageous for process cleanliness or where coolant use is limited. The compact overall length and standard Weldon interface simplify inventory management and enable compatibility with existing toolholders. For specification matching, delivery options and application advice contact Metav Werkzeuge for personalised guidance and prompt supply from Emmerich – email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 4000602397NW Product: Core drill Label: Kernbohrer D.20mm HSS TiAlN Schnitt-T.30mm Weldon RUKO Facts Diameter: 20 mm Overall length: 63 mm Cutting depth: 30 mm Cutting edges: 6 Special features Material: HSS Coating: TiAlN Shank: Weldon 19.05 mm (3/4") Packaging unit: 1 FAQ What materials can this core drill machine reliably? The RUKO core drill is suitable for unalloyed and alloyed steels (up to 1200 N/mm²), high-chromium stainless steels (V2A/V4A), steel castings and tough brass, thanks to its HSS substrate and TiAlN coating. Is the tool suitable for dry machining? Yes, the TiAlN wear-protection layer is designed to support dry machining and increases hot hardness, allowing effective cutting at elevated temperatures without coolant in many cases. What shank interface is required for stable clamping? The tool uses a Weldon shank (19.05 mm / 3/4"), which requires a corresponding Weldon clamping system for secure axial and torsional retention. How deep can the drill cut in a single pass? The core drill provides a cutting depth of 30 mm, which is the recommended effective depth for this model. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
20mm Core Drill Solid Carbide 50mm Cut Depth Quick IN Shank - Ruko GmbH
Take advantage of a combination of high wear resistance, precise 50 mm cutting depth and the fast-change Quick IN 18 mm shank for reliable core drilling in demanding materials; order the tool directly via Metav Werkzeuge or consult our specialists for application advice. RUKO core drill D.20 mm – Solid carbide core drill, 50 mm cutting depth The RUKO core drill D.20 mm is a solid-carbide core drill designed for heavy-duty drilling of rails, wear-resistant steels and cast components, featuring a Quick IN 18 mm shank for rapid tool changes. Solid carbide construction for long life 50 mm cutting depth for deeper holes Quick IN 18 mm shank for fast tool change Six cutting edges for efficient material removal Suited to rails and high-strength steels Precision and productivity for heavy-duty drilling The solid-carbide construction delivers consistent tool life and dimensional stability when machining tough materials. With a 20 mm diameter and 50 mm cutting depth, the drill enables confident penetration into rails, Highox/Weldox-type plates and various steels while maintaining hole geometry. The six cutting edges distribute cutting forces evenly, which reduces vibration and supports stable feed rates; this translates into fewer rejects and less machine downtime in production and maintenance operations. The tool’s overall length of 83 mm preserves rigidity and accessibility in confined setups. Rapid changeover and workflow efficiency Equipped with a Quick IN 18 mm shank, the core drill is tailored for fast exchanges in standard toolholders, shortening setup times and increasing net machining time per shift. The shank system simplifies clamping and is particularly effective in maintenance environments where multiple tools are swapped during a workday. Reduced changeover duration and the drill’s wear-resistant body combine to improve overall process throughput, enabling workshops to maintain production rhythms without frequent tool adjustments. Material capability explained for workshop planners The design is optimised for demanding applications: railway steels, Hardox/Weldox 400, general steel and cast steel as well as high-chromium alloys such as V2A and V4A. In practical terms, this means the core drill handles high-strength and wear-resistant grades that would rapidly blunt many conventional bits. Solid-carbide cutting edges retain hardness at elevated temperatures and preserve cutting geometry, making the tool suitable for both one-off repairs and small-series production where consistent hole quality is required. Application guidance and handling benefits When using the drill in tougher materials, steady feed and suitable cooling or lubrication extend life and improve surface finish. The multiple cutting edges reduce axial forces compared with single-point cutters, allowing more controlled penetration through laminates and heterogeneous sections often found in rails or welded constructions. The Quick IN connection also supports workshop flexibility: compatible toolholders enable quick swaps and reduce the need for specialised fixturing, helping to keep setup complexity low. For operations seeking a robust solid-carbide solution, contact Metav Werkzeuge to discuss the RUKO core drill and secure reliable supply and application support from our Emmerich facility; email info@metav-werkzeuge.com or call +49 2822 7131930. Technical data Article number: 4000602628NW Product: RUKO core drill D.20 mm Material: Solid carbide Diameter: 20 mm Total length: 83 mm Cutting depth: 50 mm Cutting edges: 6 Shank: Quick IN 18 mm Packaging unit: 1 Manufacturer: Ruko GmbH Core dimensions Diameter: 20 mm Cutting depth: 50 mm Total length: 83 mm Shank diameter: 18 mm (Quick IN) Special features Solid-carbide cutting edges Suited for railway steels and Hardox/Weldox 400 Effective on high-chromium and alloyed steels Quick IN shank for fast tool changes FAQ What materials is this core drill suitable for? The RUKO core drill D.20 mm is suitable for railway steels, Hardox/Weldox 400, general steel, steel castings and high-chromium alloys such as V2A and V4A, as indicated in the tool specification. How does the Quick IN shank affect workshop operation? The Quick IN 18 mm shank on the RUKO core drill allows rapid tool changes in compatible holders, reducing setup time and increasing available machining time in both maintenance and production environments. What maintenance or coolant is recommended for long life? For extended life of the solid-carbide cutting edges, steady feed combined with appropriate coolant or lubrication is recommended; the RUKO core drill retains cutting geometry better under cooled conditions when machining hard or alloyed steels. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
21mm Core Drill HSS 25mm Cutting Depth Weldon Shank 19.05mm - C. & E. Fein GmbH
Take advantage of the combination of HSS construction, a Weldon 19.05 mm shank and a defined 25 mm cutting depth for reliable, repeatable core drilling in workshop production. The secure Weldon shank and six cutting edges reduce chatter and downtime, supporting a smooth workflow. Order the tool directly via Metav Werkzeuge or contact the consultants for application advice. NOVA 25 Core drill 21 mm — HSS, 25 mm cutting depth, Weldon shank (FEIN) NOVA 25 is a compact HSS core drill designed for precise 21 mm holes with a controlled 25 mm cutting depth and a Weldon 19.05 mm shank for stable clamping in industrial holders. HSS material for long tool life 25 mm cutting depth for precise cores Weldon shank 19.05 mm for secure clamping Six cutting edges for efficient metal removal Precision and durability for daily workshop use The HSS construction delivers consistent cutting performance and high tool life, especially under repetitive conditions often found in workshops and light industrial environments. With a 21 mm diameter and a defined 25 mm cutting depth, the tool produces uniform core holes that minimise rework and inspection time. The combination of hardened HSS and a multi-edge geometry reduces rubbing and heat build-up; this translates into longer intervals between tool changes and a more predictable production output. Secure mounting and vibration control for better hole quality A Weldon shank (19.05 mm) ensures rigid fixation in compatible tool holders and chucks, significantly reducing torsional play during operation. The solid connection improves concentricity and stability, which is particularly important when using smaller cutting depths where surface finish and dimensional accuracy matter. The tool’s six cutting edges distribute cutting forces, lowering the risk of chatter and delivering a cleaner bore with fewer burrs, thereby reducing downstream finishing operations. Designed for efficient handling and straightforward integration With an overall length of 61 mm and a practical shank format, the core drill integrates easily on vertical drill presses and powered holders that accept Weldon shanks. The compact geometry supports fast tool changes and straightforward set-up procedures on the shop floor, keeping machine downtime to a minimum. The defined geometry simplifies feed and speed calculations and helps maintain consistent cycle times in batch production. Quality assurance and application guidance for confident purchasing Manufactured from HSS and finished for reliable workshop use, the tool reflects a focus on repeatability and service life rather than one-off performance. Clear technical parameters — diameter, cutting depth and shank size — make it straightforward to match the tool to existing holders and machining setups. For complex applications or to confirm compatibility with specific holders, the seller’s technical advisors can provide tailored recommendations and ensure the selected tool meets operational demands. Contact Metav Werkzeuge to discuss the suitability of the FEIN NOVA 25 for existing holders and production processes; technical advice and order handling are available from Metav Werkzeuge in Emmerich. Technical data Article number: 8000380311NW Product type: Core drill Manufacturer: C. & E. Fein GmbH Facts Diameter: 21 mm Overall length: 61 mm Cutting depth: 25 mm Shank: Weldon 19.05 mm (3/4") Number of cutting edges: 6 Packaging unit: 1 Special features Material: HSS Weldon shank for secure clamping Six cutting edges for efficient removal Compact overall length for easy handling FAQ What is the exact cutting depth of the NOVA 25 core drill? The NOVA 25 core drill provides a defined 25 mm cutting depth, allowing predictable hole depth without secondary operations. Which shank size is required for clamping this core drill? This tool uses a Weldon shank of 19.05 mm (3/4"), suitable for Weldon-type holders and chucks that accept that shank diameter. How many cutting edges does the tool have and what is the advantage? The core drill has six cutting edges; this distributes cutting forces, reduces vibration and improves hole finish. Is the drill made from high-speed steel? Yes, the tool is manufactured from HSS, offering wear resistance and reliable performance under workshop conditions. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
21mm Core Drill HSS 30mm Cutting Depth Weldon Shank - Ruko GmbH
Take advantage of a robust HSS construction combined with a 30 mm cutting depth and a Weldon 19.05 mm (3/4") shank for secure, repeatable bore production. The combination of six cutting edges and a short overall length ensures fast material removal with controlled chip evacuation. Order the annular cutter directly via Metav Werkzeuge or ask the consultants for application advice. RUKO Annular Cutter D 21 mm — HSS core drill, 30 mm cutting depth The RUKO Annular Cutter D 21 mm is a high‑performance core drill designed for creating precise bores in structural steel, castings and non‑ferrous alloys with minimal setup time. High-speed steel construction for durability 30 mm cutting depth for efficient bore-making 6 cutting edges for fast material removal Weldon shank 19.05 mm (3/4") for secure clamping Dependable cutting performance for industrial workshops Manufactured from HSS, this annular cutter delivers a balance of toughness and edge retention suited to repetitive metalworking tasks. The geometry with 6 cutting edges reduces cutting forces and supports rapid chip formation, which translates into shorter cycle times on magnetic drilling machines and drill presses. For operations where consistent hole quality matters—such as fabrication of T‑sections, structural plates and frame assemblies—the design offers predictable dimensional accuracy and repeatability. Secure clamping and fast tool changes The Weldon shank design (19.05 mm / 3/4") enables direct clamping in common holders and adapters, offering a rigid connection that limits runout and vibration. This secure interface reduces the need for excessive rework and supports safer operation under higher feed rates. The short overall length assists in maintaining tool stability, making the cutter particularly effective in constrained setups where reach and clearance are limited. Versatility across common workshop materials This cutter is suited for machining steel, castings, aluminium and other light or non‑ferrous metals, providing a single‑tool solution for mixed‑material jobs. The specified 30 mm cutting depth is sufficient for many through‑hole and blind‑hole applications in plate and profile work without unnecessary overreach. For projects requiring a balance of speed and hole finish, the tool’s geometry optimises both material removal and surface quality. Practical benefits for productivity and maintenance With a compact overall length of 63 mm and a focus on efficient chip evacuation, the tool reduces downtime linked to clearing swarf and changing inefficient cutting media. The annular cutter’s construction emphasises serviceability: regrinding and maintenance routines are straightforward for workshops equipped to service high‑speed steel tooling, extending usable lifetime and improving cost efficiency per hole produced. Discuss application specifics or request delivery details from Metav Werkzeuge to secure reliable supply and expert guidance directly from Emmerich. Technical data Article number: 4000602300NW Product type: Annular cutter Manufacturer: Ruko GmbH Facts Diameter: 21 mm Cutting depth: 30 mm Overall length: 63 mm Shank diameter: 19.05 mm (3/4") Cutting edges: 6 Packing unit: 1 Special features HSS high‑speed steel Suitable for steel, castings, non‑ferrous and light metals Weldon shank for secure clamping FAQ What machine types are suitable for this annular cutter? The RUKO annular cutter is designed for use on magnetic drilling machines and drill presses that accept a Weldon shank, providing stable performance on commonly used industrial portable and bench systems. Can this cutter be used on stainless steel? The cutter is optimised for steel and castings as well as non‑ferrous metals; for stainless steels or highly alloyed materials a dedicated grade or coating may be preferable to maintain tool life. How does the Weldon shank benefit clamping reliability? The Weldon shank (19.05 mm / 3/4") offers positive lateral engagement, which reduces slippage and runout during heavy feeds and improves hole concentricity compared with smooth‑shank options. Is re-sharpening recommended for this tool? Regrinding of HSS annular cutters is possible and can restore cutting performance; local tool service centres can assess wear and perform profile regrinds to extend service life. What hole quality can be expected with this cutter? When used with appropriate feeds, speeds and coolant, the cutter achieves accurate, clean bores suitable for through and blind holes in plates and profiles typical of fabrication tasks. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert‑Bosch‑Strasse 7, 71088 Holzgerlingen
21mm Core Drill HSS 55mm Cutting Depth Weldon Shank - Ruko GmbH
Take advantage of the HSS construction, 55 mm cutting depth and Weldon shank to ensure reliable, repeatable holemaking in a workshop or production setting; order the tool directly via Metav Werkzeuge or consult the team for application guidance. Kernbohrer D.21mm HSS, 55 mm cutting depth — RUKO core drill with Weldon shank Kernbohrer D.21mm HSS, 55 mm cutting depth — RUKO core drill with Weldon shank is a heavy-duty annular cutter designed for efficient metal holemaking in structural and sheet applications High-speed steel construction 21 mm diameter for precise bores 55 mm effective cutting depth Weldon 19.05 mm shank for secure clamping Precise metal cutting for consistent production results The HSS composition of this annular cutter guarantees a balance of hardness and toughness suitable for demanding metalworking. With a 21 mm cutting diameter and 55 mm effective cutting depth, the tool produces accurate, burr-reduced holes while preserving the parent material. High-speed steel resists work hardening and maintains cutting geometry during interrupted cuts, which translates into fewer rework steps and steady throughput. This combination of material and geometry supports stable cycle times in both small-batch and continuous operations. Secure mounting and smooth chip evacuation for safer operation A Weldon shank 19.05 mm (3/4") enables rigid clamping in standard Weldon holders, reducing runout and vibration compared with plain-shank alternatives. The cutter’s multi-edge configuration (six cutting edges) and annular design remove a metal ring rather than the full core, minimising power draw and simplifying chip removal. The result is reduced feed forces and improved operator safety, especially when machining thicker sections such as T‑beams or large-format plates. The shorter overall length of 88 mm supports access in confined fixturing and keeps tool overhang to a minimum. Versatile applications and straightforward workshop benefits Engineered for a broad range of materials, the cutter is suited to steel, cast iron, and a variety of non-ferrous and light metals, offering a single-tool solution for mixed-material workloads. The annular design shortens cycle times compared with twist drills of equivalent diameter and reduces the need for post‑drilling finishing. For workshops aiming to streamline tooling inventory without compromising accuracy, this cutter provides a pragmatic mix of durability and efficiency that supports repeatable, high-quality bores with minimal setup complexity. For procurement or application advice on the RUKO HSS core drill, contact Metav Werkzeuge for order placement and technical consultation via info@metav-werkzeuge.com or by phone on +49 2822 7131930 — Metav’s specialists assist with selection for specific materials and machine interfaces. Technical Data Article number: 4000602452NW Name: Kernbohrer D.21mm HSS Schnitt-T.55mm Weldon RUKO Manufacturer: Ruko GmbH Präzisionswerkzeuge Facts Diameter: 21 mm Effective cutting depth: 55 mm Overall length: 88 mm Shank: Weldon 19.05 mm (3/4") Cutting edges: 6 Material: HSS Special features Suitable for steel, cast iron, non-ferrous and light metals Weldon shank for secure toolholding Annular cutter design for faster holemaking Packaging unit: 1 FAQ What materials can this core drill machine effectively cut? The Kernbohrer D.21mm HSS is designed for steel, cast iron and a range of non‑ferrous and light metals, providing versatile performance across typical workshop materials. Which toolholder is required for safe clamping of this cutter? A Weldon holder or chuck compatible with a 19.05 mm (3/4") Weldon shank is required to secure the RUKO annular cutter for minimal runout. How deep can the cutter bore in a single pass? The cutter offers a 55 mm effective cutting depth for through or deep-penetration holes, with an overall length of 88 mm to suit constrained setups. Is the cutter suitable for use on structural steel profiles like T‑beams? Yes; the tool’s HSS construction and annular design are suitable for structural steel such as T‑beams and large-format plates, reducing cutting forces and cycle time. How many cutting edges does the tool have and what is the benefit? The annular cutter features six cutting edges, which support smooth material removal and a fine bore finish while distributing cutting forces for improved tool life. Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen
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