DIN338 HSS FULLY GROUND DRILLS, TITANIUM COATED
APPERANCE: TITANIUM COATED
METRIC SIZE: 1-13MM,
INCH SIZE: 1/16~1/2"
PACKAGING: PVC BAG, PLASTIC BOX, METAL BOX, SKIN CARD, BLISTER, ETC.
drill bits material: M2 ,4341,4241
drill bits surface finish:amber, bright,titanium coated,black&bright finish,amber,amber&black,amber&bright.
drill bits manufacture process: fully ground,
drill bits point angle: 135,118,130,multifork,
drill bits shank: straight shank,reduce shank,tri-flat shank，
drill bits with M35 cobalt 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.