Made of premium material, high strength and hardness, strong structure, durable in use.
High quality ER20 collet block for spindle motor shaft clamping.
Spiral linear thread, more convenient clamping, faster replacement, high clamping force.
Smooth surface, no scratches, stable performance.
Suitable for lathes, drilling machines, milling machines, boring machines, can clamp tap, drill, milling cutter.
Nut type: ER20A
Body length: 45mm
Axle hole: 6mm, 8mm, 10mm, 12mm, 16mm (Optional)
Package List:1 x Collet Chuck Holder
Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.