CNC Collet Chuck Set ER16, ER40 7PCs~22PCs Variation
Precision: 0.015 mm.
8pcs of ER16:
3mm / 4mm / 5mm / 6mm / 7mm / 8mm / 9mm / 10mm.
10pcs of ER20:
4mm / 5mm / 6mm / 7mm / 8mm / 9mm / 10mm / 11mm / 12mm / 13mm.
12pcs of ER20:
2mm / 3mm / 4mm / 5mm / 6mm / 7mm / 8mm / 9mm / 10mm / 11mm / 12mm / 13mm.
