DEWALT 5/16-in-18 2-Flute M2 HSS Tap with Drill Bit $2.09
https://www.lowes.com/pd/DEWALT-5…/999959789
DEWALT 1/4-in-20 2-Flute M2 HSS Tap with Drill Bit $1.49
https://www.lowes.com/pd/DEWALT-1…/999959793
Drills and taps hole in 1 application
Deburr and countersink in 1 step
Hex shank – designed for impact drivers
Speed tip – drills material quickly