Sk( DIN69871) ER32 milll chuck 

SK50-ER32-150 Chuck Holder Material: Allyed case hardened steel, black-finished and precisely grinded. Taper tolerance: <AT3    Hardness : HRC 52-58   Carbon depth: 08mm±0.2mm   Max run out : <0.003mm Suface Roughness: Ra<0.005mm  Cooling AD+B type can be made by request  When order , pls specify balancing G6.3/G2.5 Shank body standard: din69871   Form A: without cooling supply.  Form AD: central cooling supply.  Form AD+B: central cooling and internal collant through the collar. Brief introduction Precision SK GER  Collet Chuck, DIN69871,JT,DAT or DV collet clamping tool holder of various sizes , high speed and high precision machining .Mechanical spindle and cutting tools and other accessories.High Precision SK shank Tool Holder ,balanced G6.3 or G2.5 For choose.Attaching importance to the reserch and produc…