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
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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.
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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.













