Place of Origin
Henan, China
Customized support
OEM, ODM
Usage
High Speed Metal Drilling
pacage
Plastic box,Bag,Cards and so on
type
Center Drill Bit, Twist Drill Bit
size
3-12, 4-12, 4-20, 4-22, 4-30, 4-32, 6-25, 6-35mm or customized
Surface hardness (HRC)
3400-4000HV
logo
accept customised logo