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The JACOBS JCM30345 is a drill chuck service kit designed to maintain and restore the performance of 1/2 inch ball bearing drill chucks. This kit provides the components needed to service a worn or damaged chuck, extending the working life of the tool rather than requiring a full replacement. It is suited for use in production, maintenance, and repair environments where drill chucks see regular duty. Weighing 3 pounds, the kit is a direct service solution for technicians and machinists responsible for keeping drilling equipment operating correctly.
This service kit is intended for use with 1/2 inch ball bearing drill chucks, specifically those designated as Chuck No. 14N. It is applicable in industrial, manufacturing, and machine shop settings where ball bearing chucks are standard equipment. Technicians performing preventive maintenance or responding to chuck wear or runout issues will find this kit appropriate for a complete service procedure on the compatible chuck model.
Designed for use with 1/2 inch ball bearing drill chucks, compatible with Chuck No. 14N as specified by the manufacturer.
Chuck service work should be performed by a qualified machinist or maintenance technician. Disconnect and de-energize the tool or machine before removing the chuck. Follow the drill chuck manufacturer service documentation for disassembly, component replacement, and reassembly sequence. Do not reuse worn components that are not included in this kit if their condition may affect chuck runout or clamping performance.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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