I’ve had good luck with drill bits and hand taps from Drills and Cutters: https://drillsandcutters.com/hand-taps/

Take a look at the HSS Hand Taps. The drill bits I buy from them are the Jobber Drills (Standard Length), Black Oxide, Surface Treated, Standard Point,  by Qualtech.

Joe Melhorn

Sahuarita, AZ