These fully stocked Micro 100 Standard ID ER Collets can be utilized in live or static applications, feature a high polished finish to help reduce oxidation, and have a maximum T.I.R. of 0.0004".
Features:| Manufacturer Part Number | ER16-312 |
| Tool Holder Bore Diameter (Inch) | 0.3125" (5/16) |
| Type | ER16 |
| Coating | Uncoated |