Collet Chuck: 3 to 20 mm Capacity, ER Collet, Taper Shank 3″ Projection, 0.0002″ TIR, Balanced to 7,000 RPM, Through Coolant
Item #: 44323442
Brand: Bison
Model #: 7-171-304
Product Specifications
| Collet System | ER |
| Collet Series | ER32 |
| Shank Type | Taper |
| Taper Size | NMTB40 |
| Projection (Decimal Inch - 4 Decimals) | 3.0000 |
| Projection (Inch) | 3 |
| Through Coolant | Yes |
| Minimum Collet Capacity (mm) | 3.00 |
| Maximum Collet Capacity (mm) | 20.00 |
| Overall Length (Decimal Inch) | 6.6900 |
| Actuator Type | Key |
| Maximum RPM | 7000 |
| Shank Diameter (Inch) | 1-3/4 |
| Shank Length (Decimal Inch) | 3.69 |
| TIR (mm) | 0.0050 |
| TIR (Decimal Inch) | 0.000200 |
| Coolant Type | Through-Spindle |
| Collet Nut Diameter (Decimal Inch) | 1.9700 |
| Product Service Code | 5136 |