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PRODUCT INFO - ER20 1.0-4.0 STRAIGHT SHANK COLLET CHUCK
- This holder accepts all ER20 collets
- Straight shank is 1.00" diameter 4.00" long
- Ideal for mill or lathe
- All critical surfaces precision ground
- Made from alloy steel hardened to 54 - 56rc
- Coolant through capability
- Internal screw included
- MariTool Part# is C1.0-ER20-4.00
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