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- CAT40 Slim fit Collet Chuck Tool Holders
- Works on all CAT 40 machines
- Power stability
- All critical surfaces precision ground
- Made from alloy steel hardened to 54 - 56rc
- Balanced to G2.5 at 25,000 RPMs
- Gage length is ( from 0.5" to 6 inches)
- Concentricity is less than .0001 at collet face
- Collet type slim fit chuck holder
- The rear thread for pull stud is 5/8-11
- Color Silver Coated: never rusty ever