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CNC spindle ER20 collet chuck motor extension rod inner hole 14MM ER20-14mm

Body Length: 50mm, contain the nut length is 55mm
Shaft Hole: 14mm (-0.02mm) when installing need heating expansion


Model: ER20A
Shank Diameter: 14mm
Total length: 50mm
Clamping range: 1-13mm


Features:
- ER straight rod type collet extension handle, the handle body is relatively long, suitable for deep hole processing.
- Can reduce the use of tools, reduce costs, improve efficiency.
- The outer diameter of the rod and other parts of the rod can be eliminated by precision grinding,which can eliminate the unbalance and increase the stability of the cutting.


Package Included:
1 x ER20A-14mm Collect Holder