Hyjoy Keyless Self‑Tightening Drill Chuck 1/32"–5/8" with JT6 Arbor, 7/16-20 Shank Thread, 0.005" Accuracy

Compact Hyjoy keyless drill chuck clamps drill bits from 1/32" to 5/8" and includes the JT6 arbor for direct mounting. Shank thread size: 7/16-20. Runout accuracy: 0.005". Constructed from steel, the chuck comes with a specially quench-treated key to extend service life. Its self-tightening, keyless mechanism automatically increases gripping force to improve reliability and stability during operation. Ideal for CNC drill presses or lathes where the spindle accepts the shank.