Material: : M35 (Co 5%)
Surface finish :amber, bright,titanium coated,black&bright finish,amber,amber&black,amber&bright.
Manufacture process: fully ground,
Point angle: 135,118,130,multifork,
shank: straight shank,reduced shank,tri-flat shank，
M35 cobalt drill is the best quality HSSco drill bits,about point angle,normally ,client like 135 split
point,but multifork point can increase drill's quality too much ,
and tri-flat shank make drills can be gripped more strongly,avoid smooth.
Standard: DIN338 , ANSI
PACKING: Plastic box, PVC bag,Metal box, Rose Plastic box, etc.