Model Number：Internal cooling drill bit
Use：Metal Drilling
Suitable for：Copper, Cast Iron, Carbon Steel, Mould Steel etc.
Type：Twist Drill Bit
Coating Type:
TiN / AlCrN / AlCrn-based / TiCN+TiN/ TIAlN / AlTIN /DLC / Diamond
Model Number：Internal cooling drill bit
Use：Metal Drilling
Suitable for：Copper, Cast Iron, Carbon Steel, Mould Steel etc.
Type：Twist Drill Bit
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