Jacobs Ball Bearing Taper Mount Chuck Description: Jacobs ball bearing taper mount chucks feature ball bearing construction that maximizes gripping force and drilling accuracy. Jacobs chuck jaws are center-ground for straightness and alignment. One-piece sleeve eliminates crack between driving teeth often found in other designs. Jacobs ball bearing taper mount chucks feature through-hardened sleeve teeth plus hardened nose and keyholes that provide outstanding wear resistance and feature fluted sleeve standard. Each Jacobs chuck is 100% inspected for performance and precision. T.I.R. 0.003” maximum at half capacity.

Technical Specifications: Chuck Size: 3/8” Model Number: 11N Minimum Capacity: 0.040” Maximum Capacity: 0.375” Mount: 2JT Key Number: K32 Closed Length: 2.88” Open Length: 2.26” Sleeve Diameter: 1.93” UPC: 95456302150