Collet Block For CNC Lathe Chuck Holder With 16mm Clamp Rod, ER20 Style High Precision Shaft Clamp Tool For Spindle Motors, Quenched Hardened Body, Multi Size Holes For Versatile, Built Tough Motor Shaft Clamping And Alignment

ER20 Collet Block for CNC Chuck Holder - 16mm Rod (1-Pack)
✔️ ER20 collet block clamps CNC motor shafts with 16mm rod, 1-Pack

Designed for precise shaft clamping on CNC lathes and other spindle driven machines, this ER20 collet block provides solid mounting and accurate alignment in motor shafts. The quenched hardened body ensures durability under high speed operation and repeated clamping cycles.

✅ Model: C25-ER20-50L
✅ Nut type: ER20A
✅ Body length: 60 mm
✅ Axle holes: 6mm, 8mm, 10mm, 12mm, 16mm (Optional)
✅ Package: 1 x Collet Chuck Holder

💡 What is an ER20 collet block used for in CNC machining and spindle shaft clamping? It securely clamps motor shafts and aligns tooling for accurate machining. - Secure shaft clamping with ER20 holes - Precise alignment reduces spindle runout - Durable, quenched steel body for long service life