HSS Twist Drill Bits
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hss drill bits
hss twist drill bits
twist drill bits
HSS Twist drill Bits we manufature are made from HSS with good heat treatment and surface treatment.
Main technical conditions of twist drill.
Manufacturing process: Rolled, milled or fully ground.
Point angle: 118: or 135:
Finish: Black oxide, bright, or Ti-plated
Shank: Straight shank, taper shank, hex shank, reduced shank
Material: M2, M7, M35, M42, W9Mo3Cr4V, W4Mo3Cr4V