Danyang City Shengong Tools Factory [China]

Detailed Product Description

170 pcs

We produce all kinds of hss twist drill bit
The material as hss 4241#, hss 4341#, hss9341#, M2, M35 and so on
The process can be provided as: Roll forged,Edge ground,Fully Ground,Milled
118 and 135 degree point angle design for general purpose
surface finished: Bright finished, black oxide, tin oxide,Black flute & bright shank, rainbow.
drill bit can be divided by shank: Straight shank drills, taper shank drills.