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About the Product
BT50 BT40 BT30 GSK High Precision Rapid Tool holders
Material: 20CrMnTi or JIS-SCM415
Hardness: 56-60HRC;
Carburizing depth: >0.8;
Roughness: Ra<0.4u;
Taper precision ≤AT3 and part of the standard size are tested by Diebold standard inspection tools which made in Germany;
Run out of the inside shank cone: ≤0.002mm;Coaxiality with collet : ≤ 0.005mm;
Dynamic balance can do:G2.5 30000rpm;
Suitable for boring, milling, drilling, tapping, grinding, carving processing.