Gun Drill Bits
M35 Cobalt Drill Bit Set,7.0-13MM, for Drilling on Hardened Steel, Cast Iron and Stainless Steel

Following size for you to choose :

5PC X 7.0MM

5PC X 7.5MM

5PC X 8.0MM

5PC X 8.5MM

5PC X 9.0MM

5PC X 9.5MM

5PC X 10.0MM

5PC X 10.5MM

5PC X 11.0MM

5PC X 11.5MM

5PC X 12MM

5PC X 12.5MM

5PC X 13MM