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- Total runout less than .0003 on these precise ER25 collets
- Made from Alloy spring steel and fully hardened
- All critical collet surfaces are precision ground
- Works with coolant thru spindle tooling or collets chucks with internal coolant supply
- Collet seals coolant from within tool holder and routes it thru holes around perimeter, see picture
- Works in all ER25 Collet Chucks
- This ER25 collet has a full .015 range of collapse while maintaining full accuracy
- This ER25 collet has a range of ..3150-.3000 inches
- MariTool Part# is .315-ER25CJ-8mm
