High Accuracy HSK-GER milling Chuck

High Quality HSK40E/63A-GER16/20/32-60/70/100 Collets Chucks Brief introduction HSK Shank GER Collet Chuck ,HSK63A-GER20-60, DIN6499 collet clamping tool holder of various sizes , high speed and high precision machining.Mechanical spindle and cutting tools and other accessories.High Precision HSK shank Tool Holder ,balanced G6.3 or G2.5 For choose. HSK Tool Holders for mechanical spindle and cutting tool and other accessory tool connection. Is a simple, popular spindle shank connection standard, mainly HSK30 HSK40 HSK50... Etc.. Mold industry, and high-speed engraving machine, used more. Attaching importance to the reserch and products,we employs many experienced and skilled technicians,so that precision machining can be made according to samples or drawings. Specifications I - Material: High quality carburizing alloy steel; Central tensile strength 1000N/mm2 Min.; Surface hardness HRC 60+/-2(HV 700+/-50); Hardness penetration 0.8+/-0.2mm; Cooling AD+B type can be made by request II - Tolerance Criteria Dynamic balance(default): G6.3 12,000 rpm; Dynamic balance(customized): G2.5 25,000 rpm; Run-out tolerance: 0.005mm Max. Cone angle tolerance: AT3 Cone surface roughness: Ra 0.005 Max. Products advantages 1. The unique design of nut: high speed cutting, reduce drag and cutting noise and improve work efficiency,Balance for G2.5 30000rpm. G6.3 12000rpm. 2. General purpose high speed, high precision machining, cutting effect is good. 3. Surface"environment protection",special coating surface treatment,improve the hardness and endurance of the surface,cleaness better,accuracy stable,surface 4. higher system accuracy. 5. higher system stiffness. 6. better dynamic balance.