specifications:
Manufacturing process: fully ground, rolled and polished
Material: HCS, Alloy tool steel, HSS
Finish: black flute and bright shank
Diameter: 3-30mm
Manufacturing process: fully ground, rolled and polished
Material: HCS, Alloy tool steel, HSS
Finish: black flute and bright shank
Diameter: 3-30mm
Certificate
- ISO9000
Main Products
HSS twist drill bit