สถานที่กำเนิด
Jiangsu, China
Standard
DIN333 Center drill bit
Color
Black(Oxide), Bright, Tin coated, Amber
Process
Fully Ground, Roll forged, Mill
Angle point
118 degree or 135 degree with split point
Material
High speed steel, HSS cobalt, HSS,HSS-R,HSS-G
Packing
PVC bag, Square tube, Paper bag, Blister card etc.
Main market
Oceania, Europe, Africa, Mid East,South America,North America