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- Collet Chuck accepts all ER20 collets
- Works on all BT30 machines with Dual Contact Spindles
- Compatible with BIG-PLUS® spindles
- All critical tool holder surfaces precision ground
- Threaded for stop screw type 1 (not included)
- Made from hardened alloy steel
- Balanced to G2.5 at 20,000 rpms
- Gage length is 100mm (3.9 inches)
- Nose Diameter is 1.3 inches
- Concentricity is less than .0001 at collet face
- Collet nut is included
- Rear thread for pull stud is m12 x 1.75
- View BT30 Pull Studs
- MariTool Part# is BT30-ER20-100D
*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp.
Compatible with BIG-PLUS® spindles, but not licensed.
