High Precision ER Collet Chuck Cat Tool Holder 

High Speed CAT ER Shank Collet Chuck, DIN6499 collet clamping tool holder of various sizes , high speed and high precision machining .Mechanical spindle and cutting tools and other accessories.High Precision CT shank Tool Holder ,balanced G6.3 or G2.5 For choose. Er Collet Chuck Cat Tool Holder Specifications 1, The material: Allyed case hardened steel, black-finished and precisely grinded 2, Cat Collet Chuck The size: CT40-ER40-80 CT30-ER20-70, CT40-ER20-70, CT50-ER20-70 3, The precision: 0.005mm 4, Cat Tool Holder The hardness: 52-58HRC 5, Surface: heat treatment, sand-blasting 6. The standard: BT MAS403, DIN69871, DIN2080, ANSIB5.5 7, Taper tolerance: AT3 8, Coolant AD, B, AD+B type 9, Dynamic balancing can be made G6.3/12000rpm, G2.5/25000rpm