Mini Self-Tightening Drill Chuck Adapter, Mini Drill Chuck, Drill Clamping Capacity 0.3-3.4mm (5MM Hole), Mini Electric Drill Accessories Collet With Allen Key

Three-jaw design: The chuck adopts the triangular stabilization principle, which can clamp the drill bit in three directions at the same time, ensuring high stability, strong fixation and safe work.

The mini self-tightening chuck can clamp tools with shank diameters of 0.3-3.4 mm such as drill bits, used for drilling, polishing and grinding.

The mini self-tightening drill chuck adopts a non-slip texture design, mini chuck can be easily clamped by hand.

The diameter of the brass connecting rod hole of the mini self-tightening chuck is different and it can be installed on the motor shaft according to the corresponding diameter. There are four hole diameters for you to choose, 2mm, 2.35mm, 3.17mm, 5mm.

The mini drill chuck is compatible with most rotary tools, such as miniature electric drills, electric grinders, etc.