ER Collet | Length | Diameter |
ER-20 | 31.5 mm (1.24") | 21 mm (0.83") |
ER-25 | 34 mm (1.34") | 26 mm (1.02") |
ER-32 | 40 mm (1.57" | 33 mm (1.30") |
ER-40 | 46 mm (1.81") | 41 mm (1.61") |
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