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China Manufacturer Roll Forged Black&Gold Straight shank Twist Drill Bit for metal drilling
![China Manufacturer Roll Forged Black&Gold Straight shank Twist Drill Bit for metal drilling China Manufacturer Roll Forged Black&Gold Straight shank Twist Drill Bit for metal drilling](https://image.seohost.cn/storage/6910/product/20190607/20190607104418_822703.jpg)
specification
China Manufacturer Roll Forged Black&Gold Straight shank Twist Drill Bit for metal drilling
Finish: Black & gold finshed, other surface treatment is also available, please consult with widetop sales person
Hot roll-forged flute with special heat treatment gives additional toughness with increased durablity of the drill bit
Named package are available for this drill bits