ER Collets features a special anti-friction coating that increases clamping pressure of the tool shank, resulting in a more secure connection.
| Tool Number | 82406 |
| Min Bore Diameter (Inch) | 0.2500" (1/4) |
| Type | ER20 |
| Coating | Uncoated |
| Clamp Range (Inch) | .2110" - .2500" |