The Stovebolt Site Forums The Shop Area The Tool Chest Recommendation for tap & dye set under $100

If you are just going to chase threads this HF set should work fine (it has for me, through 4 truck restorations over a 20 year period).

4-40, 6-32, 8-32, 10-32, 10-24, 12-24,
1/4 in.-20,
1/4 in.-28,
5/16-18,
5/16 in.-24,
3/8 in.-16,
3/8 in.-24,
7/16 in.-14,
7/16 in.-20,
1/2 in.-13, and
1/2 in.-20,
1/8 in. NPT pipe tap