| Specifications | : | 0.039 to 0.511 in Collet Range, 020-SPAN Nut Wrench, 6.4 in L, 1-1/4 in Straight Shank |
| Suitable For Use With | : | ER20 Collet |
Lyndex-Nikken Collet Chuck Extension, Series: CoroMill® 490, For Use With: ER20 Collet, 0.039 to 0.511 in Collet Range, 020-SPAN Nut Wrench, 6.4 in L, 1-1/4 in Straight Shank
- When removing the back-up screw, ER collet chucks have coolant through capabilities
- No disc, special nut or wrench required