50mm Core Drill HSS 55mm Cutting Depth Weldon Shank 3/4" - Ruko GmbH

Benefit from durable HSS construction, a 55 mm cutting depth and a secure Weldon shank (19.05 mm / 3/4") for consistent holemaking in structural steel and non‑ferrous components. Order the RUKO annular cutter Ø50 mm HSS, cutting depth 55 mm (Weldon) directly via Metav Werkzeuge or ask our consultants if needed.

RUKO annular cutter Ø50 mm HSS — 55 mm cutting depth, Weldon shank

RUKO annular cutter Ø50 mm HSS (Weldon shank) is a precision core drill designed for efficient holemaking in structural steel, castings and non‑ferrous metals using magnetic drills and compatible drilling rigs.

• High-speed steel (HSS) construction
• 55 mm cutting depth for deep holes
• Weldon shank 19.05 mm (3/4") for secure clamping
• Suitable for steel, castings and non‑ferrous metals

Faster, more efficient metal removal for machining workflows

The annular cutter is designed to remove only the material that forms the hole periphery, delivering faster cycle times than twist drills when producing medium to large diameter holes. Made from HSS, the tool combines toughness and heat resistance, maintaining edge geometry under continuous cutting. The result is reduced machining time on profiles such as T‑beams and large sheets while preserving machine resources. For production environments, this translates into measurable gains in throughput and predictable hole quality.

Consistent hole quality and long tool life

A precise tooth geometry with 12 cutting edges ensures clean chip evacuation and a regular bore surface, which reduces secondary finishing work. The 55 mm cutting depth is suitable for many structural and fabrication tasks, offering a balance between depth capability and rigidity. Because the cutting material is HSS, the cutter tolerates intermittent heat generation better than standard tool steels, which supports longer tool life under typical workshop conditions and fewer tool changes during runs.

Secure mounting and compatibility with common drilling systems

The Weldon shank 19.05 mm (3/4") provides a robust mechanical lock in Weldon‑style chucks and magnetic drill adaptors, preventing slippage under heavy loads and enabling efficient torque transmission. This shank standard allows quick changes and is widely compatible with industrial magnetic drilling machines, making the cutter a practical choice for on‑site fabrication and workshop setups where rapid tool swaps and secure clamping are priorities.

Operational benefits and practical handling

Using an annular cutter of this design reduces power draw compared with full‑diameter twist drilling, particularly on large holes, which can extend machine life and lower energy consumption over many cycles. Routine sharpening or regrinding of the cutting edges restores geometry and extends service life; with straightforward maintenance, the cutter remains a cost‑effective component of a precision toolset. Clear labelling and consistent dimensions help integrate the tool into inventory and job planning.

For reliable heavy‑duty holemaking choose the RUKO annular cutter and contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 for technical advice and ordering

Technical data

• Article number: 4000602481NW
• Manufacturer: Ruko GmbH
• Product type: Annular cutter
• Material: HSS
• Diameter: 50 mm

Facts

• Cutting depth: 55 mm
• Overall length: 88 mm
• Shank: Weldon 19.05 mm (3/4")
• Cutting edges: 12
• Packing unit: 1

Special features

• Suitable for structural steel and T‑profiles
• Suitable for castings
• Suitable for non‑ferrous and light metals
• Weldon shank for secure clamping

FAQ

What materials can this annular cutter machine?
The RUKO annular cutter Ø50 mm HSS is specified for steel, castings and non‑ferrous metals, making it suitable for structural steelwork and fabrication tasks.

Which machines are compatible with the Weldon shank?
Magnetic drills and drilling rigs that accept a Weldon 19.05 mm (3/4") shank are compatible with this RUKO annular cutter, ensuring secure mounting and reliable torque transfer.

How deep can this cutter drill in a single pass?
The tool has a 55 mm cutting depth, allowing single‑pass hole creation for many common fabrication requirements without the need for step drilling.

Is the cutting material suitable for heavy use?
Constructed from HSS, the cutter provides a combination of durability and heat resistance appropriate for frequent workshop use; regular reconditioning maintains performance.

What indicates the correct replacement or regrind interval?
Reduced cutting performance, poor surface finish or increased power draw during cutting signal the need for regrinding or replacement of the RUKO annular cutter SKU 4000602481NW.

Manufacturer/Responsible: Ruko GmbH Präzisionswerkzeuge, Robert-Bosch-Strasse 7, 71088 Holzgerlingen