Collet Chuck, Brand Name : Chongde

We are offering bt/er collet chuck. specifications 1.bt/er 2.the products can be applied for end mills ,drill bits, drill reamers, taps and can clamp 3.material:20crmnti. Features: 1.antirust 2.improve the hardness and endurance of the surface 3.clearance better, accuracy of the surface 4.surface more smooth feel comfortable, appearance nice.