Collet Block C25-ER20-45L Round Collet Holder 6 mm / 8 mm / 10 mm / 12 mm / 16 mm for CNC Rotary Spindle Motor Clamp Rod (8 mm)

• Steel material: the motor tool bar is made of high-quality steel material with high hardness, stable structure and longer service life.
• 【Easy tensioning】 The collet chuck has a smooth that can be easily tensioned without scratches and with stable performance.
• Multi-size shaft holes: the high-quality ER20 clamping block is mainly used for tensioning the motor shaft of the spindle. The chuck with different openings can tension motor shafts of different thicknesses.
• Precision processing: the whole thing uses the technology of quenching and hardening, the precision machining inside and outside as well as the high concentricity.
• Application: wide range of applications and easy clamping. Suitable for lathes, drills, milling machines, drills, taps, drills, milling cutters, etc.

Specification: Model: C25-ER20-45L Nut type: ER20A. Body length: 60 mm. Axle hole: 6 mm, 8 mm, 10 mm, 12 mm, 16 mm (optional). Package contents: 1 x collet holder.