150mm Hollow Spindle Arbor Stop With Internal Jaw Expansion, Adjustable Clamp - TECWERK
Take advantage of a secure internal clamping mechanism and wide adjustability for concise spindle set-up and reduced adjustment time; the rear-insertion design and special tightening key ensure a positive hold and easy repositioning. Order the hollow spindle stop directly via Metav Werkzeuge or consult the specialists for application advice. TECWERK Hollow spindle stop – rear insertion, clamping range 4–110 mm A TECWERK hollow spindle stop for rear insertion, designed to secure tools inside hollow spindles with an adjustable internal gripping range Rear insertion for compact spindle installation Adjustable clamping 4–110 mm Special key for secure tightening Push-fit jaws for reliable internal grip Secure internal clamping for stable spindle operation The hollow spindle stop provides a mechanically positive internal grip by expanding its jaws against the spindle bore when the tightening screw is actuated. Inserted from the back of the hollow spindle, the device converts axial screw movement into radial bite, producing a secure seating that reduces the risk of slippage during rotation. The specified clamping range 4–110 mm covers many common hollow spindle diameters, enabling a single device to serve multiple set-ups and supporting consistent machining results through improved tool retention. Fast insertion and tool-free length adjustment Assembly and position changes are executed from the spindle rear with a special key that both locks and releases the mandrel. Tightening forces the gripping segments outward against the inner wall, while releasing the key permits linear repositioning along the spindle axis. This mechanism allows quick repositioning without full disassembly of the drive train, which translates into reduced downtime and faster changeovers for production or maintenance cycles. The straightforward operation is especially beneficial in high-throughput workshop environments. Reliable performance under repetitive use The mechanical principle—radial expansion by a central tightening screw—offers durable and repeatable clamping behaviour over many cycles. The design focuses on a positive internal hold rather than frictional surface contact alone, which tends to deliver a more dependable seat in service. For operations requiring repeatable axial positioning and a trusted internal grip, the unit is engineered to maintain a consistent reliable hold, supporting process stability and part quality. Simple integration and practical handling The rear-insertion concept keeps the external spindle envelope uncluttered and facilitates integration into existing spindle housings. Adjustment is carried out using the supplied special key, enabling precise repositioning in length without ancillary fixtures. The unit is supplied as a single packaged item, ready for installation into compatible hollow spindles and intended to streamline set-up operations while maintaining a compact footprint on the machine. For dependable internal clamping select the TECWERK hollow spindle stop and contact Metav Werkzeuge in Emmerich for specialist advice and order handling at info@metav-werkzeuge.com or by phone on +49 2822 7131930 Technical data Article number: 4000832499NW Item: Hohlspindelanschlag f.Spindel-D.94-110mm Product type: Hohlspindelanschlag Manufacturer: TECWERK Packaging unit: 1 Core specifications Clamping range: 4–110 mm Spindle diameter reference: 94–110 mm Packaging unit: 1 Features Rear insertion into hollow spindle Tightened and released with a special key Tightening screw expands jaws to inner wall Adjustable axial position after release Secure internal seating for reliable hold FAQ What clamping range does the device cover? The device provides a clamping range of 4–110 mm, suitable for many hollow spindle bores and flexible set-ups. How is the stop installed and secured inside the spindle? The stop is inserted from the rear of the hollow spindle and secured by a tightening screw; turning the supplied special key forces the jaws outward to press against the inner wall, creating a secure seat. Can the axial position be adjusted without full removal? Yes. When the special key is used to release the tightening screw, the stop can be moved axially and then retightened to the required position. Is this product suitable for high-cycle shop use? The mechanical expansion principle of the stop is designed for repeatable operation and offers consistent seating over multiple cycles, making it suitable for demanding workshop environments. Which brand and SKU identify this item? This hollow spindle stop is supplied by TECWERK and is listed under SKU 4000832499NW. Manufacturer/Responsible: NORDWEST Handel AG, Robert‑Schuman‑Straße 17, 44263 Dortmund
27mm Hollow Spindle Stop Adjustable Clamping Range 27mm, Internal Jaw Lock - TECWERK
Benefit from a secure, rear-fit clamping solution that accommodates a 0–27 mm span and locks firmly against the inner wall of the spindle. The combination of reliable expansion jaws and simple axial adjustment with a special key supports repeatable, time-saving set-ups; order directly via Metav Werkzeuge or consult our specialists for application advice. Hollow spindle stop for spindle Ø20–27 mm — TECWERK rear-fit expandable stop The Hollow spindle stop for spindle Ø20–27 mm is a rear-insertable clamping device designed to secure position inside hollow spindles for turning and machining applications. Rear-fit insertion for hollow spindles Adjustable clamping range 0–27 mm Expansion jaws ensure secure seating Quick release and axial adjustment with key Secure clamping for repeatable set-ups The stop provides secure seating by expanding its jaws against the spindle’s inner wall when the clamping screw is tightened. This mechanical expansion creates a positive, frictional hold that reduces axial play and supports repeatable set-ups during machining operations. The design translates to fewer re-adjustments between operations and more consistent component tolerances, which is particularly valuable in production environments where repeatability is critical. Time-saving rear-fit installation and release Installed from the rear of the hollow spindle, the device is tightened and released using a special key, allowing straightforward assembly without the need to access the spindle front. The rear-fit insertion saves set-up time on machines with limited front access and simplifies changeover procedures. When the key is used to loosen the clamping screw, the stop can be moved axially for fine positional adjustment, enabling quick corrections without full disassembly. Flexible clamping range for diverse spindles With an adjustable clamping range of 0–27 mm, the stop suits a variety of hollow spindle inner diameters commonly encountered in light to medium machining tasks. The expandable jaws adapt to the internal bore, delivering stable contact across that span without requiring additional adapters. This flexibility reduces the number of different stops or adapters needed in the tooling inventory, streamlining workshop logistics. Robust operation with intuitive control Operation relies on a simple mechanical principle: turning the clamping screw forces the jaws outward to press against the spindle bore, ensuring a firm hold. This straightforward mechanism is easy to inspect and service, and it avoids complex hydraulic or pneumatic components that would require additional maintenance. The clear cause-and-effect behaviour—tighten for clamping, loosen for release—supports safe, predictable use in production and maintenance contexts. For reliable internal spindle positioning, request the TECWERK hollow spindle stop via Metav Werkzeuge or contact our advisors at Metav Werkzeuge for specification support and compatibility checks: info@metav-werkzeuge.com | +49 2822 7131930 Technical data Article number: 4000832501NW Product: Hollow spindle stop Brand: TECWERK Packaging unit: 1 Facts Clamping range: 0–27 mm Special features Inserted from rear into hollow spindle Tightened with a special key, expanding jaws press to inner wall Release and axial length adjustment with key Suitable for spindle diameters 20–27 mm FAQ How is the stop installed in the machine? The stop is inserted from the rear of the hollow spindle and secured by tightening the clamping screw with the supplied special key; this causes the expansion jaws to press against the inner wall for a firm hold. Which spindle diameters are covered by this device? The device accommodates internal spindle diameters within the 0–27 mm range and is therefore suitable for spindles specified as Ø20–27 mm as indicated in the product description. Can the position be adjusted once fitted? Yes. By loosening the clamping screw with the special key, the stop can be released and moved axially to fine-tune the position before re-tightening to lock it in place. Is this device suitable for high-precision set-ups? The expansion-jaw mechanism provides stable, repeatable contact against the spindle bore, which supports precision set-ups where axial stability and repeatability are important. What tool is required to operate the clamping screw? Operation requires the specified special key mentioned in the product details; this key is used both to tighten the jaws for clamping and to loosen them for axial adjustment. Manufacturer/Responsible: NORDWEST Handel AG, Robert-Schuman-Straße 17, 44263 Dortmund
32–41mm Hollow Spindle Stop Rear-Inserted Expandable Chuck, Adjustable Grip - TECWERK
Secure, rear-mounted spindle stop that clamps radially to the inner wall of hollow spindles for vibration-free tool holding; length is adjustable and released with a special key. Benefit from fast fits and repeatable positioning to keep setups efficient and machining consistent. Order via Metav Werkzeuge or consult our specialists for application advice. Hollow spindle stop for spindle Ø 32–41 mm — rear-insert, adjustable clamping The Hollow spindle stop for spindle Ø 32–41 mm is a rear-mounted clamping device for hollow spindles that secures tooling by radial jaw pressure and allows axial repositioning using a special key. Rear insertion for easy fitting Radial jaw clamping for secure seating Adjustable length with special key Precision clamping for stable machining The device provides radial jaw clamping that is driven by a clamping screw, pressing the jaws uniformly against the inner wall of the hollow spindle. This mechanism minimises run-out and reduces vibration, delivering a secure seating that supports consistent machining tolerances. For shops handling repetitive turning or milling setups, the resulting increase in stability translates into fewer rejects and less rework, which improves process reliability. Fast installation and simple length adjustment Designed for rear insertion, the stop is inserted into the hollow spindle and tightened with a special key. Tightening the clamp locks the unit in place; releasing the key allows smooth axial movement for fine positional adjustment. This workflow shortens setup times and provides repeatable positioning without the need for complex fixtures. The combination of quick fitting and tool-free axial fine-tuning supports efficient changeovers in busy workshops. Robust design built for everyday workshop use Constructed for clamping tasks in standard hollow spindles with diameters between Ø 32–41 mm, the stop is suitable for general workshop environments and industrial applications where reliable holding power is required. The straightforward mechanical design minimises maintenance requirements and avoids unnecessary complexity, ensuring long service intervals and dependable performance under frequent use. The use of a dedicated tightening tool guarantees consistent torque and repeatable clamping force. For reliable, adjustable clamping choose the TECWERK hollow spindle stop and contact Metav Werkzeuge for product guidance or to discuss compatibility with current machinery — eMail: info@metav-werkzeuge.com or Phone: +49 2822 7131930 Technical data Article number: 4000832503NW Name: Hollow spindle stop for spindle Ø 32–41 mm (Hohlspindelanschlag) Packaging unit: 1 Facts Spindle diameter: Ø 32–41 mm Special features Rear insertion into the hollow spindle Tightened and released with a special key Radial jaw clamping that presses against the inner wall Axial length adjustment while inserted FAQ How is the stop secured inside the hollow spindle? The TECWERK hollow spindle stop is tightened with a clamping screw using the supplied special key; the screw forces the radial jaws against the inner wall to ensure a secure fit. Can the stop be repositioned without removing it from the spindle? Yes. Releasing the special key frees the jaws and allows axial repositioning, so the stop can be shifted in length while remaining inserted. What spindle diameters does this stop support? The device fits hollow spindles with inner diameters of Ø 32–41 mm, providing consistent clamping across that range. Is the clamping mechanism repeatable for multiple setups? The mechanical jaw system with key-operated tightening offers repeatable clamping and positioning suitable for serial setups and frequent tool changes. Which applications are best suited to this type of stop? This hollow spindle stop is appropriate for workshop and industrial clamping tasks where secure, low-runout holding is required for turning, milling or other machining operations. Manufacturer/Responsible: NORDWEST Handel AG, Robert-Schuman-Straße 17, 44263 Dortmund
40-50mm Hollow Spindle Stop With Internal Clamping Screw, Adjustable Length - TECWERK
Take advantage of a compact internal stop that expands to grip the spindle interior, covering a 0–50 mm clamping range and locking securely with a tightening screw operated by a special key; order the device via Metav Werkzeuge or consult the Metav team for application advice. Hollow spindle stop for spindle Ø 40–50 mm · TECWERK A Hollow spindle stop for spindle Ø 40–50 mm, engineered to provide a secure axial location inside hollow spindles for reliable machining set-ups. Expands to grip inner spindle wall Clamping range 0–50 mm Tool released and adjusted with special key Ensures secure axial positioning Precision internal clamping for repeatable set-ups The device is designed to be inserted from the rear into a hollow spindle and fixed by tightening a screw, which forces the clamping jaws outwards against the inner wall. This mechanism delivers secure seating during axial loading and prevents unwanted movement, improving repeatability across multiple components. The simple mechanical principle avoids complex electronics and provides a robust solution for frequent set-up changes in production environments. Fast installation and adjustable positioning to save time Installation and adjustment are carried out with a special key, allowing the stop to be tightened, released and shifted in length without disassembly of the spindle. The clear mechanical operation reduces set-up time and minimises machine downtime, which contributes to faster throughput and fewer rejects. The adaptable expansion principle makes the device suitable for tasks that require quick repositioning and consistent axial stops, supporting efficient workflow in machine shops and maintenance departments. Designed for workshop reliability and safe handling Constructed for insertion into hollow spindles with a working span of 0–50 mm, the stop gives a secure internal anchor point for through-spindle operations or for applications where external fixturing is impractical. The tightening action converts rotational torque from the key into radial force on the jaws, ensuring a stable hold without relying on external clamps. Supplied as a single unit, the component is straightforward to store and fits common service routines for spindle-mounted tooling. For tailored advice on integrating the TECWERK hollow spindle stop into production or to order via Metav Werkzeuge, contact Metav Werkzeuge at info@metav-werkzeuge.com or by phone on +49 2822 7131930 Technical data Article number: 4000832504NW Product type: Hollow spindle stop Brand: TECWERK Facts Clamping range: 0–50 mm Packaging unit: 1 Special features Inserted from rear into hollow spindle and tightened with a special key Tightening screw presses jaws against the spindle inner wall for secure seating Released with key and slid to adjust axial position FAQ What clamping range does the hollow spindle stop cover? The hollow spindle stop by TECWERK covers a clamping range of 0–50 mm, suitable for spindles within that diameter window. How is the device installed and adjusted? The stop is inserted from the rear into the hollow spindle and tightened with a special key; loosening the key releases the jaws and allows axial repositioning. Can the stop maintain position under axial load? Yes, the tightening screw forces the jaws against the inner wall of the spindle so that the stop provides a secure axial hold during machining. Is the product supplied ready to fit? The TECWERK hollow spindle stop is supplied as a single unit and is ready for insertion and clamping with the appropriate key. Which applications are typical for this type of stop? This internal stop is typically used where an internal axial locate is needed—such as through-spindle operations, machining of long workpieces, or situations where external fixturing is impractical. Manufacturer/Responsible: NORDWEST Handel AG, Robert-Schuman-Straße 17, 44263 Dortmund
48–60mm Hollow Spindle Stop With 8–60mm Clamping Range, Rear-Inserted Adjustable - TECWERK
Take advantage of a compact solution that secures axial positioning inside hollow spindles, with a clamping range of 8–60 mm and a simple rear insertion method tightened by a special key; order via Metav Werkzeuge or consult the team for specification advice. Hollow spindle stop for spindles Ø48–60 mm — TECWERK, adjustable internal clamping (8–60 mm) A Hollow spindle stop for spindles Ø48–60 mm engineered for rear insertion into hollow spindles to provide adjustable internal clamping and reliable axial positioning in machining setups Rear insertion with special tightening key Secure internal clamping, reliable fit Adjustable axial position with quick release Clamping range 8–60 mm Precise internal clamping for repeatable setups The Hollow spindle stop for spindles Ø48–60 mm (SKU 4000832505NW) converts the inner diameter of a hollow spindle into an exact axial stop by means of an internal expansion mechanism. Inserted from the rear and tightened with a special key, the tightening screw forces the clamping jaws against the spindle's inner wall, producing a stable friction fit. This internal clamping method reduces axial play and supports repeatable positioning, which shortens setup times and increases process reliability in repetitive machining operations. Fast adjustment and straightforward operation Adjustment is achieved by releasing the stop with the same special key and sliding the unit to the required axial position before retightening. The simple mechanical principle means no additional tools or complex calibration are required, so set-up changes can be carried out quickly between operations. The combination of rear insertion, positive jaw contact and a single tightening point delivers a dependable hold while keeping the adjustment process intuitive for workshop staff. Built for practical workshop use and system integration Designed for compatibility with hollow spindles with diameters of 48–60 mm, this internal stop is suitable where compact, repeatable axial control is needed. The construction ensures a secure seat within the spindle bore and allows incremental repositioning without altering the spindle assembly. For purchasers seeking dependable components from a trusted supplier, Metav Werkzeuge provides a broad selection of precision workshop products and technical guidance to ensure correct integration into existing tooling systems. For TECWERK internal clamping solutions, contact Metav Werkzeuge for tailored advice and order support — Metav Werkzeuge can advise on suitability and supply the product directly Technical Data SKU: 4000832505NW Product type: Hollow spindle stop Designation: Hollow spindle stop for spindles Ø48–60 mm Brand: TECWERK Packaging unit: 1 Facts Clamping range: 8–60 mm Suitable spindle diameters: Ø48–60 mm Packaging unit: 1 piece Special features Inserted from rear into hollow spindle and tightened with a special key Tightening screw presses the jaws to the inner wall for secure seating Released and length-adjusted with the special key FAQ What spindle diameters is this stop suitable for? The hollow spindle stop is suitable for spindles with an internal diameter of 48–60 mm; this specification is integral to the TECWERK hollow spindle stop (SKU 4000832505NW). How is the stop installed and secured inside the spindle? The unit is inserted from the rear of the hollow spindle and tightened using a special key, which actuates the tightening screw to press the jaws against the inner wall and secure the stop. Can the axial position be adjusted during operation setups? Yes, the TECWERK hollow spindle stop can be released with the special key and slid to a new axial position, then retightened to restore the secure internal clamp. Does the product require additional components to operate? No additional components are required for the clamping function beyond the included tightening mechanism and the special key used to engage and release the jaws for axial adjustment. Manufacturer/Responsible: NORDWEST Handel AG, Robert-Schuman-Straße 17, 44263 Dortmund
5-33mm Hollow Spindle Stop Adjustable Internal Clamping, Rear-Inserted With Special Key - TECWERK
Order a precise, quick‑adjust solution for hollow spindle work where axial positioning and a reliable clamp are essential; the device secures by expanding against the spindle’s inner wall and is adjusted with a special key for fast repositioning — available via Metav Werkzeuge for expert advice and prompt supply. Hollow spindle stop Ø 25–33 mm — TECWERK internal expandable clamping stop The Hollow spindle stop Ø 25–33 mm is a rear‑inserted internal clamping stop designed for axial positioning inside hollow spindles, expanding to lock securely against the inner wall for repeatable machining operations Rear-inserted design for hollow spindles Expansion clamp secures to inner spindle wall Special key allows tightening and release Adjustable axial position after release Precise, repeatable positioning for hollow‑spindle machining Engineered for applications that demand reliable axial stops, this internal clamping stop delivers secure seating by pressing its jaws against the spindle bore when the clamping screw is tightened. The rear insertion method lets the component be fitted from the back of the hollow spindle, removing the need for external fixtures. As a result, the device minimises axial play and supports consistent positioning during turning, milling or light assembly tasks, improving process reproducibility and reducing rework. How the expansion mechanism converts torque into a secure hold The clamping action is achieved by a threaded clamping screw: turning the screw with the supplied special key forces the jaws outward so they bear on the internal surface of the spindle. This simple mechanical principle creates a high‑friction contact that resists axial movement without complex hydraulic or pneumatic systems. For operators with limited metrology training, the mechanism is straightforward to use and maintain, while production engineers benefit from a compact solution that reduces setup time between part runs. Fast axial adjustment that keeps production moving Once the clamping screw is released with the special key, the stop can be shifted axially to the new position and re‑clamped in seconds. This adjustable axial position capability supports short changeover times and flexible fixturing strategies. For workshops aiming to increase throughput, the combination of quick release and secure reclamping helps keep cycle times low and tooling utilisation high, delivering a tangible efficiency advantage on mixed production lines. Durable, low‑maintenance design suited to workshop environments Built for use inside hollow spindles, the stop’s functional design focuses on robustness and serviceability rather than unnecessary complexity. The rear installation and mechanical expansion minimise exposed parts and simplify cleaning and inspection. Routine checks consist of verifying the clamping action and ensuring the special key operates freely; these simple maintenance steps support long‑term reliability and steady performance across batches and shifts. Contact Metav Werkzeuge for tailored advice and to secure the TECWERK Hollow spindle stop Ø 25–33 mm — call +49 2822 7131930 or email info@metav-werkzeuge.com for availability and technical guidance Technical data Article number: 4000832502NW Product: Hollow spindle stop Label: Hohlspindelanschlag f.Spindel‑D.25‑33mm Packaging unit: 1 Facts Spindle bore compatibility: Ø 25–33 mm Model / SKU: 4000832502NW Special features Inserted from the rear into the hollow spindle Clamping screw expands jaws to inner wall Tightening and release via special key Axial length adjustable after release FAQ What spindle bores are supported by this stop? The hollow spindle stop is suitable for spindles with an internal diameter of approximately 25–33 mm as indicated on the product label. How is the stop fixed inside the spindle? Fixing is achieved by tightening the clamping screw, which expands the jaws until they press against the inner wall; the operation is carried out using the supplied special key. Can the stop be repositioned quickly between operations? Yes, releasing the clamping screw with the special key allows axial repositioning and rapid re‑clamping for fast changeovers. Is specialised equipment required for installation? No specialised equipment is needed; the device is inserted from the rear and secured with the special key described in the product details. Does the stop provide a repeatable axial reference? The expansion mechanism offers a firm contact with the spindle bore, providing a repeatable axial reference suitable for many workshop applications. Manufacturer/Responsible: NORDWEST Handel AG, Robert‑Schuman‑Straße 17, 44263 Dortmund
58-76mm Hollow Spindle Stop Adjustable Clamping Range 8-76mm, Rear-Inserted Design - TECWERK
Secure internal clamping, a compact rear-insert design and an adjustable 8–76 mm span deliver dependable axial positioning and quick on-machine set-up. Order the hollow spindle stop directly via Metav Werkzeuge or consult our specialists for configuration advice. Hollow Spindle Stop (for spindle Ø 58–76 mm) — Rear-insert design, adjustable axial clamp — TECWERK A Hollow Spindle Stop designed for rear insertion into a hollow spindle, providing secure internal clamping and fine axial adjustment for machining applications Rear-inserted design for compact spindle assembly Secure internal clamp via expanding jaws Adjustable length with special tightening key Precise internal clamping for repeatable positioning Installed from the spindle rear and tightened with a special key, the device converts axial torque into radial expansion so that the expanding jaws press against the spindle bore. This mechanism produces a secure fit with consistent concentricity, supporting reliable axial positioning and repeatability. The controlled radial contact reduces run-out and contributes to improved surface quality, which is particularly advantageous in operations where minimal deviation is critical. Fast adjustment and compact installation to reduce downtime Loosening and re-positioning are achieved with the same key, allowing the stop to be slid axially for quick length calibration or removal. Because the clamping action is internal, no external fixtures are needed and spindle overhang is minimised, helping to preserve balance during rotation. The compact installation therefore shortens set-up times and simplifies maintenance routines while maintaining stable clamping performance. Broad compatibility and practical workshop advantages Engineered for hollow spindles with an effective diameter window of 58–76 mm, the stop accommodates a wide range of mandrels within its 8–76 mm clamping envelope. The design emphasises a secure seating and straightforward serviceability, which helps to limit machine downtime during tool changes. Supplied through TECWERK and distributed by Metav Werkzeuge, the device combines pragmatic durability with workshop convenience for both single-piece work and serial production contexts. Discuss TECWERK hollow spindle stops with Metav Werkzeuge for tailored spindle sizing and secure internal clamping — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: 4000832506NW Brand: TECWERK Product type: Hollow spindle stop Packaging unit: 1 Core data Clamping range: 8–76 mm Special features Rear insertion with special key tightening Expanding jaws press to spindle inner wall for secure fit Release with key allows axial adjustment and length shift FAQ What spindle diameters is this stop suitable for? The hollow spindle stop is intended for hollow spindles with an effective diameter of 58–76 mm; the internal clamping envelope spans 8–76 mm (TECWERK, SKU 4000832506NW). How is the stop tightened and released? Tightening is performed from the rear with a special key: turning the clamping screw expands the jaws against the spindle bore; the same key is used to release and slide the stop axially. Does the design require external fixtures? No external fixtures are required; the internal expanding jaws secure the device inside the spindle, preserving compact installation and spindle balance. What operational benefits does the stop provide? The internal clamping method reduces run-out and overhang, improving concentricity and contributing to better surface finish and repeatability during machining. Manufacturer / Responsible: NORDWEST Handel AG, Robert-Schuman-Straße 17, 44263 Dortmund
75-96mm Hollow Spindle Stop With Internal Expansion Jaws, Adjustable Clamp - TECWERK
Take advantage of precise, rear‑mounted clamping and an adjustable axial position for repeatable set‑ups and minimal spindle runout; the secure inner‑wall jaw pressure guarantees a reliable seat in hollow spindles. Order the device directly via Metav Werkzeuge or consult the team for application advice. Hollow Spindle Stop for Spindle Ø75–96 mm – TECWERK The Hollow Spindle Stop is a rear‑inserted clamping device for hollow spindles, designed to secure tooling by pressing the jaws against the spindle inner wall and to allow axial repositioning with a special key. Rear insertion with special key tightening Clamping range 5–96 mm Fits spindle Ø75–96 mm Adjustable axial position with release key Precise clamping that reduces runout and improves repeatability The device provides a secure fit by pressing the clamping jaws against the inner wall of the hollow spindle, which reduces radial play and contributes to consistent concentricity during turning and rotating operations. The clamping range 5–96 mm covers a wide variety of mandrel and tool diameters, enabling one solution for multiple set‑ups. This compact rear‑mounted design simplifies installation in machines where front access is limited, while the mechanism ensures repeatable positioning for production runs. Simple operation and fast adjustment for workshop efficiency Assembly is straightforward: the stop is inserted from the rear of the hollow spindle and tightened with a special key, which drives the clamping screws and activates the jaws. When axial repositioning is required, the same key releases the jaws to allow controlled movement along the spindle axis. This method eliminates the need for complex fixtures, shortens set‑up times and reduces machine downtime — a clear operational advantage for busy workshops and serial production environments. Robust seating and safe handling minimise process interruptions Because the jaws are pressed directly onto the spindle inner wall, the connection achieves a positive seating that resists loosening under rotation, improving safety and reducing the risk of tool run‑out. The mechanism’s design prioritises a reliable seating rather than relying solely on friction, which supports stable machining forces and consistent machining quality. This stability contributes to lower scrap rates and less rework, making the stop a pragmatic choice for quality‑conscious operations. Wide applicability across machines and set‑ups The configuration suits hollow spindles with outer dimensions between Ø75–96 mm while the internal clamping span permits use with small to large tool shafts (5–96 mm). The product is particularly suitable for lathe spindles and machining centres that accept rear‑mounted accessories, offering a flexible solution for turning, balancing and rotational measurement fixtures. Where space constraints or accessibility limit front mounting, this rear‑inserted stop provides a compact and practical alternative. Contact Metav Werkzeuge for tailored technical advice and ordering support on the TECWERK hollow spindle stop; email info@metav-werkzeuge.com or call +49 2822 7131930 Technical Data Article number: 4000832498NW Label: Hollow spindle stop for spindle Ø75–96 mm Product type: Hollow spindle stop Manufacturer: TECWERK Packaging unit: 1 Facts Clamping range: 5–96 mm Suitable spindle outer diameter: Ø75–96 mm Special features Rear insertion and tightening with a special key Clamping jaws press onto spindle inner wall for secure seat Axial position adjustable when released with the key FAQ What spindle diameters does the stop suit? The hollow spindle stop fits spindles with an outer diameter of Ø75–96 mm and provides an internal clamping span from 5–96 mm, allowing versatile use across different tool shafts. How is the device tightened and released? Tightening and release are performed from the rear using a special key; turning the key expands the jaws to press against the inner wall and secures the stop, while reversing the action allows axial adjustment. Is the stop suitable for production use with frequent repositioning? Yes, the design supports repeated axial repositioning with consistent seating; the positive jaw contact reduces the likelihood of loosening under rotational loads, which is beneficial for serial production. Which SKU identifies this product for ordering? Order under SKU 4000832498NW; referencing this number ensures the correct hollow spindle stop from TECWERK is supplied. Manufacturer/Responsible: NORDWEST Handel AG, Robert‑Schuman‑Straße 17, 44263 Dortmund
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