View complete catalog page
- This holder accepts all .250 shank tooling
- Works on all BT30 machines with Dual Contact Spindles
- Compatible with BIG-PLUS® spindles
- All critical surfaces precision ground
- Made from alloy steel hardened to 54 - 56rc
- Balanced to G2.5 at 20,000 rpms
- Gage length is 2.25 inches
- Concentricity is less than .0001
- Rear thread for pull stud is M12 X 1.75
- MariTool Part# is BT30-EM.250-2.25D
*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp.
Compatible with BIG-PLUS® spindles, but not licensed.