DIN338,HSS Straight Shank Twist Drill Bits
hss twist drill bit(twist drill din338, hss straight shank twist drill bit)
din345,M35,5% cobalt
high quality with all sizes
hss twist drill bit(twist drill din338, hss straight shank twist drill bit)
material: hss (9341,M35,4341,4241)
standard: din338, din345
surface treament: sandblast, tin coated, bright finished, zinic plated, nickle plated
shank : straight shank
We can provide all kinds of drills with different materials and different surfacetreaments