WTFTOOLS 2 Flute 3XD Solid Carbide Inner Coolant Twist Drill Bit For Hardness Steel

WTFTOOLS 2 Flute 3XD solid carbide Inner Coolant Twist Drill Bit for Hardness Steel Suitable for the various different material workpiece :aluminum / steel / cast iron / ductile cast iron / stainless/ wood/ PVC/ acrylic and etc. Material Tungsten Carbide,solid carbide,cemented carbide HRC 45/55/65 Type Carbide drill bits Coating AiTIN, TiAIN, TiCN, ALTiN, TiN etc Helix Angle 10. 15. 25. 35. 45 . 55 degree, Tolerance 0.005mm Raw Material Super material is the basis of the tools. We choose the high performance material with good wear-resistance, high hardeness and high toughness. HRC45 HRC55 HRC60 HRC65 YG10X YG10.2 &WF25(Taiwan) K44 & K40 (German) H10F (Sweden) Grain Size:0.7um Grain Size:0.6um Grain Size:0.5um Grain Size:0.5um Co:10 % Co:10 % Co:12 % Co:10 % Flexural strength:3320N/mm2 Flexural strength:4000N/mm2 Flexural strength:4300N/mm2 Flexural strength:4300N/mm2 Excellent Coating Good coating can inprove tools life and production effiency, as well as slove the cutting problems. Coating Process Parameters Item AITin TiAIN TiSiN nACo Hardness(HV) 3200 2800 3600 42(GPA) (Thickness(UM) 2.5-3 2.5-3 3 3 Oxidation 900 800 1000 1200 Friction 0.3 0.3 0.45 0.4 Color Black Violet Copper Blue