Dasco Pro
A Dasco, 5/16" x 4-1/2" center punch is used for making accurate hole starting easier.
Century Drill and Tool Tap Metric Carbon Steel 4.0x0.70 (4.0 x 0.70 mm)
Century Drill and Tool Tap Metric Carbon Steel 10.0X1.50 (10.0 x 1.50 mm)
Century Drill and Tool Tap Metric Carbon Steel 12.0X1.75 (12.0 x 1.75 mm)
Century Drill and Tool Carbon Steel Plug Tap 7/16-20 NC (7/16-20 National Coarse)
Century Drill and Tool Carbon Steel Plug Tap 7/16-14 NC (7/16-14 National Coarse)