SK40 GER32 Collet Sets Machine Tool 

SK40(AD+B)-GER32-70(G2.5  20000RPM) 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 produ…

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