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 |