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JACOBS Drill Chuck: 1/2"-20, 1/16 in to 1/2 in Capacity, KK Key - Thread-Mount Keyed Drill Chucks for Portable Power Tools
JACOBSThread-Mount Keyed Drill Chucks for Portable Power Tools

JACOBS Drill Chuck: 1/2"-20, 1/16 in to 1/2 in Capacity, KK Key

The JACOBS 31052D is a thread-mount keyed drill chuck for portable power tools, with a 1/2"-20 mount and a capacity range of 1/16 in to 1/2 in. It features a KK key and ball bearing construction.

SKU 3G-OTH-250333

Brand
JACOBS
Item
Drill Chuck: 1/2"-20, 1/16 in to 1/2 in Capacity, KK Key
Category
Thread-Mount Keyed Drill Chucks for Portable Power Tools
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Technical Specifications

JACOBS
Manufacturer Part Number
31052D
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JACOBS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JACOBS 31052D is a thread-mount keyed drill chuck for portable power tools, with a 1/2"-20 mount and a capacity range of 1/16 in to 1/2 in. It features a KK key and ball bearing construction.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the JACOBS 31052D drill chuck used for?

The JACOBS 31052D is a thread-mount keyed drill chuck designed for portable power tools. It securely holds drill bits from 1/16 in to 1/2 in, making it suitable for drilling in metal, wood, and plastic. Its ball bearing construction ensures smooth operation under load.

What are the specifications of the JACOBS 31052D drill chuck?

The JACOBS 31052D has a 1/2"-20 thread mount and a capacity range of 1/16 in to 1/2 in. It uses a KK key for tightening and features ball bearing construction for reduced friction. The manufacturer part number is 31052D, and it is made by JACOBS.

Where to buy the JACOBS 31052D drill chuck worldwide?

You can source the JACOBS 31052D drill chuck 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.

How to install a thread-mount keyed drill chuck like the JACOBS 31052D?

To install a thread-mount keyed drill chuck, first ensure the power tool spindle is clean. Screw the chuck onto the 1/2"-20 threaded spindle by hand until snug. Use the KK key to tighten the chuck jaws around a bit. Always disconnect power before installation.

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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