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.