Drill Chuck, Metal Keyless Drill Chuck 1/2-20UNF 13mm Self Locking Drill Chuck Mount Keyless Drill Drill

HEAT TREATMENT: This drill chuck is made of high speed steel and with heat treatment, the product has good toughness and higher structural strength. LARGER OUTPUT :The electric drill chuck has good metal texture, comfortable coat surface, easy to clamp, so that the output becomes larger. UNIQUE THRUST BEARING:The unique thrust bearing is easy to convert the applied by the handle into greater clamping force. CONCAVE AND CONVEX DESIGN: Beautiful and practical concave and convex design, so that the front and rear jackets can effectively cooperate and reduce the jacket shaking. SCOPE OF APPLICATION: Applicable to AC electric drills with power below 700W and various DC electric drills.