Detailed Product Description Drill Bit*We are a cutting tools manufacturer,specializing in different kinds of drill bit (hss drill bit,carbide drill bit),twist drill bit,center drill bit,spotting drill bit etc.*Materail:hss9341,hssM2,hssM35,hss42 cutting for stainless steel,fully ground*We will give you good service and best price.*If you are interested,please feel free to contact us .