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JACOBS Drill Chuck: 3/8"-24, 3/64 in to 1/4 in Capacity - Thread-Mount Keyed Drill Chucks
JACOBSThread-Mount Keyed Drill Chucks

JACOBS Drill Chuck: 3/8"-24, 3/64 in to 1/4 in Capacity

The JACOBS Drill Chuck, model JCM6255, is a thread-mount keyed drill chuck with a 3/8"-24 mounting thread. It has a capacity range of 3/64 in to 1/4 in and uses a K7 key for tightening. This product is manufactured…

SKU 3G-OTH-241873

Brand
JACOBS
Item
Drill Chuck: 3/8"-24, 3/64 in to 1/4 in Capacity
Category
Thread-Mount Keyed Drill Chucks
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Technical Specifications

JACOBS
Manufacturer Part Number
JCM6255
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JACOBS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JACOBS Drill Chuck, model JCM6255, is a thread-mount keyed drill chuck with a 3/8"-24 mounting thread. It has a capacity range of 3/64 in to 1/4 in and uses a K7 key for tightening. This product is manufactured by JACOBS.

Frequently Asked Questions

What is the JACOBS Drill Chuck JCM6255 used for?

The JACOBS Drill Chuck JCM6255 is used for securely holding drill bits in industrial drilling applications. It is designed for precision work where a 3/64 in to 1/4 in bit capacity is required, commonly in metalworking, woodworking, and assembly operations.

What are the specifications of the JACOBS Drill Chuck JCM6255?

The JACOBS Drill Chuck JCM6255 has a 3/8"-24 thread mount and a capacity range of 3/64 in to 1/4 in. It uses a K7 key for tightening. This keyed drill chuck is manufactured by JACOBS and is identified by MPN JCM6255.

Where to buy the JACOBS Drill Chuck JCM6255 worldwide?

You can source the JACOBS Drill Chuck JCM6255 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct JACOBS chuck for your application.

How to install a thread-mount drill chuck like the JACOBS JCM6255?

To install a thread-mount drill chuck like the JACOBS JCM6255, first ensure the spindle threads are clean. Screw the chuck onto the spindle by hand until snug, then tighten using the K7 key in all holes. Always verify concentricity before operation. Refer to the machine manual for torque specs.

Used in

Common applications for JACOBS
General machining – JACOBS keyed drill chucks (e.g., MPN JCM6214, JT2 mount) for manual drill presses and milling machines.
Production drilling – JACOBS high-precision keyless chucks (e.g., MPN 31415, MT4) for automated CNC drilling centers.
Corrosive environment toolholding – JACOBS stainless steel chucks (e.g., MPN JCM6624Z) for food processing or chemical plant maintenance.
Spindle adaptation – JACOBS Morse taper sleeves (e.g., MPN 30427DN) for retrofitting older machine tools with modern chucks.
Portable drilling – JACOBS thread-mount chucks (e.g., MPN JCM6204, 5/16-24) for hand-held electric drills and magnetic base drills.

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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