Solid Carbide Center Drill Bit 30 60 90 120 Degree With Coating For Steel
Material | Tungsten carbide |
TRS | >4000 N/mm2 |
HRA | 91.8-92.4, HRC:45/55/60/65 |
Grain size | 0.2-0.6μm |
Helix angle | 30°-45 ° |
Diameter of cutting edge | 0.2-0.9mm; 1-20mm |
Size | Diameter 1.0mm-20mm standard and non-standard. |
Cutting Form | Square,Ball nose, Corner Radius, Taper Flute, etc. |
Type of flute | 2/3/4/6 |