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- This metric tool holder accepts all 50mm shank tooling
- Works on all BT40 machines with Dual Contact spindles
- Compatible with BIG-PLUS® spindles
- Has Kennametal W-drive tabs in front, see cad file for more information
- All critical tool holder surfaces precision ground
- Made from hardened alloy steel
- Gage length is 4.14 Inches
- Concentricity is less than .0001
- Rear thread for pull stud is M16 X 2.0
- MariTool Part# is BT40-EM50-4.14WD
*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp.
Compatible with BIG-PLUS® spindles, but not licensed.