Jacobs Drill Chuck Heavy Duty 5mm -20mm Industrial Lathe 36KD 14865 3JT Taper

  
Jacobs Traditional Plain Bearing Design for Heavy Duty Industrial Drilling & Lathe Work. 0.18 - 0.8in (5-20mm) Capacity, JACOBS K4 Key. Jaws Center-Grind for Straightness and Alignment. Through-hardened Sleeve Teeth, Plus Hardened Nose and Keyholes Provide Outstanding Wear Resistance. Each Chuck 100% Inspected For Performance and Precision.

0.18"-0.8" (5-20mm). 0.004 Maximum at half capacity.