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JACOBS Drill Chuck Key: Thumb Handle, K7 - Thumb-Handle Keys for Jacobs Drill Chucks
JACOBSThumb-Handle Keys for Jacobs Drill Chucks

JACOBS Drill Chuck Key: Thumb Handle, K7

The JACOBS Drill Chuck Key is a thumb-handle key for Jacobs drill chucks, model K7 with a 7/32 in pilot. It is part of the 7 Series and carries manufacturer part number JCM3659P20.

SKU 3G-OTH-284952

Brand
JACOBS
Item
Drill Chuck Key: Thumb Handle, K7
Category
Thumb-Handle Keys for Jacobs Drill Chucks
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Technical Specifications

JACOBS
Manufacturer Part Number
JCM3659P20
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JACOBS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JACOBS Drill Chuck Key is a thumb-handle key for Jacobs drill chucks, model K7 with a 7/32 in pilot. It is part of the 7 Series and carries manufacturer part number JCM3659P20.

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 thumb-handle keys for jacobs 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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