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- Total runout less than .0003 on these precise ER20 collets
- Made from Alloy spring steel and fully hardened
- All critical collet surfaces are precision ground for accurate fit
- Works in all ER20 Collet Chucks
- This ER20 collet has a full .039 range of collapse while maintaining full accuracy
- This ER20 collet has a range of .5625-.5335 inches
- This collet is considered special and oversized
- Oversized collets have weaker wall thickness and may have reduced clamping capabilities
- MariTool Part# is .5625-ER20-9/16
