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JACOBS Thread-Mount Keyed Drill Chuck, 1/2"-20, 5/64"-1/2" Capacity, K32 Key - Thread-Mount Keyed Drill Chucks
JACOBSThread-Mount Keyed Drill Chucks

JACOBS Thread-Mount Keyed Drill Chuck, 1/2"-20, 5/64"-1/2" Capacity, K32 Key

The JACOBS Drill Chuck, model JCM6287, is a thread-mount keyed drill chuck with a 1/2"-20 mount and a capacity range of 5/64 in to 1/2 in. It includes a K32 key for tightening and loosening the chuck. This product is…

SKU 3G-OTH-241883

Also listed as: JCM 6287 · JCM-6287

Brand
JACOBS
Item
Thread-Mount Keyed Drill Chuck, 1/2"-20, 5/64"-1/2" Capacity, K32 Key
Part Number
JCM6287
Category
Thread-Mount Keyed Drill Chucks
Available to Order
Also known as:JCM6287JACOBS
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Technical Specifications

JACOBS
Manufacturer Part Number
JCM6287

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JACOBS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JACOBS Drill Chuck, model JCM6287, is a thread-mount keyed drill chuck with a 1/2"-20 mount and a capacity range of 5/64 in to 1/2 in. It includes a K32 key for tightening and loosening the chuck. This product is manufactured by JACOBS under part number JCM6287.

Frequently Asked Questions

What is the JACOBS Drill Chuck JCM6287 used for?

The JACOBS Drill Chuck JCM6287 is used for securely holding drill bits in industrial drilling applications. It is designed for thread-mount spindles with a 1/2"-20 thread and accommodates bit shanks from 5/64 in to 1/2 in, making it suitable for precision drilling in metalworking and woodworking.

What are the specifications of the JACOBS Drill Chuck JCM6287?

The JACOBS Drill Chuck JCM6287 has a 1/2"-20 thread mount and a capacity range of 5/64 in to 1/2 in. It includes a K32 key for tightening. The manufacturer part number is JCM6287, and it is a keyed drill chuck designed for reliable bit retention in industrial environments.

Where to buy the JACOBS Drill Chuck JCM6287 worldwide?

You can source the JACOBS Drill Chuck JCM6287 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine JACOBS components for your operations.

How to install a thread-mount drill chuck like the JACOBS JCM6287?

To install the JACOBS JCM6287, clean the spindle threads and the chuck's 1/2"-20 mount. Hand-tighten the chuck onto the spindle, then use the included K32 key to secure it by turning each key hole sequentially. Always verify concentricity before operation. Refer to the manufacturer's manual for torque specifications.

Used in

Common applications for JACOBS
Metalworking job shops — JACOBS MT3 to MT3 Morse taper extension (30450DN) for extending reach when drilling deep holes on a milling machine.
Automotive engine rebuilding — JACOBS MT2 to MT2 Morse taper extension (30446N) used in a drill press to adapt short tooling for cylinder head work.
Aerospace component manufacturing — JACOBS MT4 to MT5 Morse taper extension socket (30455DN) to adapt MT4 tooling to an MT5 spindle on a large machining center.
General maintenance and repair — JACOBS MT3 to MT2 Morse taper extension (30447DN) for adapting MT2 shank tools to an MT3 spindle in a maintenance workshop.
Tool rooms and die maintenance — JACOBS MT5 to MT4 Morse taper extension (30454N) to reduce from MT5 spindle to MT4 tooling for precision reaming operations.
Heavy equipment repair — JACOBS MT3 to MT4 Morse taper extension (30452N) used in a radial arm drill to adapt MT3 tools to an MT4 spindle for large hole drilling.
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JACOBS Products

3G Electric supplies JACOBS thread-mount keyed drill chucks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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