Collet Nut Bearing Chuck 0.005mm Up, High Precision Spring Collet Hole Diameter 11mm/12mm/13mm/3.175mm/8mm/9mm/10mm 1pc
Model: ER20 collet set
Ground roughness is ra 0.4 microns, plus overall fine polish
Gripping Range: 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 3.175mm (Optional)
Upper Diameter: 21mm
Height: 31.5mm
Suitable For: Boring, milling, drilling, tapping, engraving, cnc, spindle machines, and other processing
In order to make all collets running true, on your side, make sure your machine spindle and chuck holder running true
Package Including: 1pc X collet chuck for mini lathe
Notice:
1.Due to the light and screen difference, the item's color may be different from the pictures.
2.Please allow 1-3mm differences due to manual measurement.