Twist drill Material:High Speed Steel Dia:0.2-20mm Executive standard:DIN338,DIN340

metric hss twist drill,high hardness, high temperature resistance etc. drill. hex drill. twist drill. material:HSS 4341/4241/9341/6542/M35,etc.surface treatment:nitrification,titanium,sandblast etc.metric hss twist drill,high hardness, high temperature resistance etc.drill.hex drill.twist drill.Welcome you to visit our website to find more.

Twist drill set