JACOBSSelf-Ejecting Keys for Jacobs Drill Chucks
JACOBS Drill Chuck Key: K3C
The JACOBS Drill Chuck Key: K3C, 5/16 in Pilot (MPN JCM2948P) is a self-ejecting key designed for Jacobs drill chucks. It features a 5/16 in pilot size and is identified by the manufacturer part number JCM2948P.
SKU 3G-OTH-278999
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JACOBS Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The JACOBS Drill Chuck Key: K3C, 5/16 in Pilot (MPN JCM2948P) is a self-ejecting key designed for Jacobs drill chucks. It features a 5/16 in pilot size and is identified by the manufacturer part number JCM2948P.
Used in
Common applications for JACOBSGeneral 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 self-ejecting keys for jacobs drill chucks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
