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Parts for Jacobs Keyed Drill Chucks
Replace worn components to extend the life of your Jacobs keyed drill chuck.
Service kits are for heavy duty ball bearing chucks. Each kit includes jaws, split nuts, a thrust bearing, and a washer. When choosing from these kits, check the nose of your chuck for a service number. Older chucks don't have a service kit number—choose kits with a number not included.



























