Highcool Earl Drill Chuck 1/2" (-B16) with Integrated Shank and K32 Key

Constructed from 40CR steel and hardened to HRC60 for durability and wear resistance. Capacity: accepts bits from 1/64" to 1/2". Shank diameter. Designed with an integrated shank to fit drill presses or lathe spindles that accept this shank. Maximum ... does not exceed. Precision build with an accuracy (runout) of 0.005 inches. Supplied with the K32 key.