Nơi xuất xứ
Jiangsu, China
Product name
HSS Step Drill Bit Spriral Flut
Color
Black(Oxide), Bright, Amber
Process
Fully Ground, Roll forged
Angle point
118 degree or 135 degree with split point
Material
HSS,M2,M42(cobalt 8%), M35(cobalt 5%)
Main market
Oceania, Europe, Africa, Mid East,South America,North America