These taps have a reversed twist so you set the drill into reverse. Thus, undoing the snapped shaft drives them deeper into the pilot hole you drill to get them started. Some sets come with the drill bits for the pilot hole matched to the tap.

CYH T-Handle Ratchet Tap Adjustable Tap Threading Wrench Set M3-M8 Metric Metal Hand Thread Taps for Tap and Die Sets
4.0

ATOPLEE 7pcs Metric HSS 6542 Left Hand Thread Tap Set, M3 M4 M5 M6 M8 M10 M12
4.0

sourcing map 1 Pair Metric Hand Threading Tap Set M16 Thread 2mm Pitch Taper & Plug Milling Taps Straight Flutes High Speed Steel
5.0