Jacobs 30346 Drill Chuck Service Kit 16N Compatible

Product Description

The JACOBS 30346 is a drill chuck service kit designed to rebuild and restore 5/8 inch ball bearing drill chucks. It provides the replacement components needed to return a worn or damaged chuck to proper working condition, extending service life and maintaining accurate tool holding. Weighing 3 pounds, the kit is packaged as a single unit and is suited for use by machinists, tool and die technicians, and maintenance professionals working with industrial or heavy-duty drill equipment. Having the correct service kit on hand reduces downtime when a chuck develops runout, slippage, or bearing wear.

This service kit is intended for use with 5/8 inch ball bearing drill chucks in shop and industrial settings. It is compatible with Chuck No. 16N, making it a direct-fit solution for that specific chuck designation. Typical applications include drill press maintenance, lathe chuck service, and any setup where a JACOBS 16N-style ball bearing chuck requires scheduled or corrective service work.

Key Features

• Designed specifically for 5/8 inch ball bearing drill chuck service and rebuild
• Compatible with Chuck No. 16N
• Single-kit package includes all components needed for the service procedure
• Restores accurate chuck operation and reduces runout caused by worn internal components
• UNSPSC Code 27112807 for procurement and catalog compliance

Compatibility

Compatible with JACOBS Chuck No. 16N and 5/8 inch ball bearing drill chucks designed to accept this service kit designation.

Installation Notes

Chuck service work should be performed by a qualified machinist or tool technician familiar with drill chuck disassembly procedures. Disconnect and lock out all power to the machine before removing the chuck from the spindle. Use the appropriate chuck key, arbor press, and snap-ring tools as required by the chuck design. Inspect all mating surfaces for damage before reassembly and verify runout with a dial indicator after installation.