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Description: HSS Twist Drill Bits ,roll forged with black oxide/black &bright.118 degree point.

Usage: ideal for drilling on mild steel ,copper, Aluminum, Zinc alloy etc.

High speed steel material for the roll forded drill bits

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Twist Drill Bits-Roll Forged

Description: HSS twist drill ,roll forged with black oxide/black &bright.118 degree point.

Usage: ideal for drilling on mild steel ,copper, Aluminum, Zinc alloy etc.

Material :High speed steel, includes HSS4241, HSS4341, M2

The Half ground twist drill bits and fully ground twist drill bits are also available, the links will guide you there.

We are the drill bits manufacturer in China, wholesale drill bits worldwide.

HSS-Twist-Drill-Bits-Roll-Forged-Black-Finish