solid drill bit , milled, sand finished
Manufacturing process: milled , rolled
material: Zk10 Tungsten Carbide
Shank: straight shank
Flute: single flutes
Surface: black oxide
Size(mm): 5.5 mm*80mm---25mm*250mm
Use:Hss, aluminium alloy, cast iron
Packing: Plastic tube and Carton
Samples: Available| 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 | ||