1、Mainly used to hold the drill bit for drilling, install it on the lathe, bench drill, hand drill, impact drill. 2、The drill chuck can clamp the drill with a diameter of 1‑16mm, and the clamping force can be automatically increased. 3、With self‑tightening function, clamping is tight and convenient to lock, preventing the bit from slipping. 4、The taper hole of the chuck is connected with the threaded hole for easy disassembly. 5、Made of 40CR material, quenched and hardened to make it more wear-resistant and not easy to deform. Item Type: Drill Chuck Model: 1-16JT6 Material: 40CR Applicable Scene: Small bench drill or hand drill Clamping Drill Diameter: Approx. 1-16mm / 0.04-0.63in Purpose: Clamping the drill bit 1 x Drill Chuck Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store