Carbide drill bit 0.05mm-3.175mm mini drill bit With standard size in stock, also produce as customer's needs.
Materials: Solid Carbide(Tungsten Steel) Helix Angle: 30°， 35° or as customer's choice Point Angle: 130°，135°，140° or as customer's choice Dimensions: Diameter 0.05mm to 3.175mm
Features:
1.Precision machining by high accurate facility
2.Highly wear-resistant grade
3.Excellent surface finish for superior chip evacuation
4.First choice for drilling of PCB,circuit board,stainless steel,mold,plastic etc
