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- Arbor diameter is 1.25 inches
- Gage length is 4.0 inches
- Works on all CAT 50 machines with Dual Contact spindles
- Compatible with BIG-PLUS® spindles
- Made from alloy steel hardened to 54 - 56rc
- Concentricity is less than .0001 at face and arbor
- All critical tool holder surfaces precision ground
- Tool holder is coolant thru (coolant thru arbor screw not supplied). Read more here Shell Mill Holder FAQ
- Lock screw thread is 5/8-18
- Includes large head 5/8-18 lock screw pictured and a standard 5/8-18 x 1.25 SHCS
- Width of removable drive keys are .498 inches
- Nose dia is 2.44 Inches
- Rear thread for pull stud is 1"-8
- MariTool Part# is CAT50-FMA1.25-4.0DT
*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp. and is used only for identification purposes.
Compatible with BIG-PLUS® spindles, but not licensed.
