Presto Metric Taps First, Second, Plug Or 3PC M2-M2-20 2-20mm From Myford
M2 is a 1.6mm HSS Drill. Presto HSS Tapping Drills For M2-M20, The Price Is For A Single Drill Only. M12 is a 10.2mm HSS Drill. M10 is a 8.5mm HSS Drill. M8 is a 6.8mm HSS Drill. M7 is a 6.0mm HSS Drill.