6MMX100MM IRWIN JORAN GRANITE DRILL BIT

6MMX160MM IRWIN JORAN GRANITE DRILL BIT

8MMX120MM IRWIN JORAN GRANITE DRILL BIT

10MMX140MM IRWIN JORAN GRANITE DRILL BIT

12MMX160MM IRWIN JORAN GRANITE DRILL BIT

4MMX80MM IRWIN JORAN GRANITE DRILL BIT

5MMX90MM IRWIN JORAN GRANITE DRILL BIT

14MMX160MM IRWIN JORAN GRANITE DRILL BIT

5MMX160MM IRWIN JORAN GRANITE DRILL BIT