Maritool Cat40 Er20 2.5 Collet Chuck Tool Holder, Made In Usa CAT40-ER20-2.5
Collet Chuck accepts all ER20 collets Works on all CAT 40 machines All critical surfaces precision ground Made from alloy steel hardened to 54 - 56rc Balanced to G2.5 at 20,000 rpms Gage length is 63.5mm (2.5 inches) Concentricity is less than .0001 at collet faceInternal stop screw and collet nut are includedCoolant thru capability Rear thread for pull stud is 5/8—11 MariTool Part# is CAT40-ER20-2.5
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