BT APU Drill Chuck Spring Tool Holder

BT APU Drill Chuck With High Precision 0.05mm,BT APU Drill Chuck Application range: clip diameter: 0.5-16mm bit .Mechanical spindle and cutting tools and other accessories.High Precision BT shank Tool Holder ,balanced G6.3 or G2.5 For choose.  Specifications 1.Product Name: APU drill chuck 2.Product model: BT40-APU 3.BT APU Drill Chuck Material: high quality carburizing alloy steel, blackening and fine grinding taper tolerance grade: < AT3 4.BT APU Drill Chuck Hard: 56-58 HRC 5.BT APU Drill Chuck Carburizing depth: 0.8mm + 0.2mm 6.BT APU Drill Chuck Maximum beat: <0.005mm=5um 7.Surface roughness: Ra<0.005mm Model Range L Drawbar T BT30-APU13-110 1-13mm 110 M12 BT40-APU13-…

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