Name DIN338 Fully Ground Drill BitStandard : DIN338,DIN340 ,DIN1897(straight shank) etcManufacturing process: fully ground ,milled ,rolled,edge groundMaterials:HSS4241,HSS4341,HSS9341,HSS6542,HSS COBA ...
qingdao best-selling tools co.,ltd
Main Products: diamond saw blades, driver bits... More