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JACOBS Drill Chuck: 1/2"-20, 3/64 in to 3/8 in Capacity - Thread-Mount Keyed Drill Chucks for Portable Power Tools
JACOBSThread-Mount Keyed Drill Chucks for Portable Power Tools

JACOBS Drill Chuck: 1/2"-20, 3/64 in to 3/8 in Capacity

The JACOBS Drill Chuck (MPN 31090) is a thread-mount keyed drill chuck for portable power tools, featuring a 1/2"-20 thread mount and a capacity range of 3/64 in to 3/8 in. It is operated with a K30 key for secure…

SKU 3G-OTH-250328

Brand
JACOBS
Item
Drill Chuck: 1/2"-20, 3/64 in to 3/8 in Capacity
Category
Thread-Mount Keyed Drill Chucks for Portable Power Tools
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Technical Specifications

JACOBS
Manufacturer Part Number
31090
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JACOBS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JACOBS Drill Chuck (MPN 31090) is a thread-mount keyed drill chuck for portable power tools, featuring a 1/2"-20 thread mount and a capacity range of 3/64 in to 3/8 in. It is operated with a K30 key for secure bit tightening. This JACOBS product is designed for industrial drilling applications requiring precise bit retention.

Frequently Asked Questions

What is the JACOBS Drill Chuck 31090 used for?

The JACOBS Drill Chuck 31090 is used for industrial drilling applications requiring precise bit retention. It mounts on portable power tools with a 1/2"-20 thread and securely holds drill bits from 3/64 in to 3/8 in capacity using a K30 key.

What are the specifications of the JACOBS Drill Chuck 31090?

The JACOBS Drill Chuck 31090 has a 1/2"-20 thread mount, a capacity range of 3/64 in to 3/8 in, and uses a K30 key for tightening. It is a thread-mount keyed drill chuck designed for portable power tools, with manufacturer part number 31090.

Where to buy the JACOBS Drill Chuck 31090 worldwide?

You can source the JACOBS Drill Chuck 31090 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive the correct JACOBS product for your application.

How to install the JACOBS Drill Chuck 31090?

To install the JACOBS Drill Chuck 31090, clean the spindle threads, then screw the chuck onto the 1/2"-20 thread mount by hand until snug. Use the K30 key to tighten the chuck securely. Always follow the power tool manufacturer's instructions for safe operation.

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 for portable power tools. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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