DOHRE Carbide Twist Drill bit 1.Micro grain carbide 2.High ... as face milling cutter, carbide twist drill bits, carbide inserts(milling/turning), milling cutters, turning tool holders, collets, ... D550, D580, and D600, D650, D650G. These drill bit grades will meet your processing needs. 2.There are different ... will quote the best prices to you soon. Drill bit SpecificationsDia(mm) OAL(mm)Cut Length(mm) 0. ...