... with good quality & resonable priceWe produce all kinds of HSS twist drill bits, the details include:1) Standard: DIN338, DIN1897, DIN340, ... , 1/2 shank drills, hex shank drillsDetails: HSS TWIST DRILLSPart NO MetricImperialTL05010.5-1.01/64,1/32TL05021.1 ... more than 10 years experience do saw blade and drill bit.We are the king of this aera, we ... us.It must be a wonderful experience. HSS TWIST DRILL