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- Collet Chuck accepts all ER16 collets
- Works on all CAT40 machines with Dual Contact spindles
- Compatible with BIG-PLUS® spindles
- Threaded for stop screw type 1 (not included)
- All critical surfaces precision ground
- Made from alloy steel hardened to 54 - 56rc
- Balanced to G2.5 at 20,000 rpms
- Gage length is 3.0 inches
- Concentricity is less than .0001 at collet face
- Rear thread for pull stud is 5/8—11
- Collet nut is included
- Mini Collet Nut is slimmer than standard collet nut
- ER16 Mini Nut has an id thread of 19mm X 1.0 pitch. Outside diameter is .866 inches (22mm)
- Must use ER16M collet wrench
- Coolant through capability
- MariTool Part# is CAT40-ER16-3.0MD
*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp.
Compatible with BIG-PLUS® spindles, but not licensed.