3.0MM IRWIN JORAN HSS T.C.T DRILL BIT

3.5MM IRWIN JORAN HSS T.C.T DRILL BIT

4.0MM IRWIN JORAN HSS T.C.T DRILL BIT

4.5MM IRWIN JORAN HSS T.C.T DRILL BIT

5.0MM IRWIN JORAN HSS T.C.T DRILL BIT

6.0MM IRWIN JORAN HSS T.C.T DRILL BIT

8.0MM IRWIN JORAN HSS T.C.T DRILL BIT

10MM IRWIN JORAN HSS T.C.T DRILL BIT