Good metal texture, comfortable coat surface, easy to clamp, so that the output torque becomes larger.
The unique thrust bearing is easy to convert the torque applied by the handle into greater clamping force.
Scope of application: Applicable to AC electric drills with power below 700W and various DC electric drills.
With heat treatment, the product has good toughness and higher structural strength.
Beautiful and practical surface concave and convex design, so that the front and rear jackets can effectively cooperate and reduce the jacket shaking.