... :within 60 days after sign the contract SpecificationsManufacture HSS Twist Drills with good quality & resonable price We produce all kinds ... of HSS twist drill bits, the details include:1) Standard: DIN338, DIN1897, DIN340, ISO235, ... , rainbow6) flute type:N or VA7) Shank: straight shank drills, taper shank drills, reduce shank drills, 1/2 shank drills, hex shank ...