... SAE Taps: 4 - 40 NC, 6 - 32 NC, 8 - 32 NC, 10 - 24 NC, 10 - 32 NF, 12 - 24 NC, 1/4" - 20 NC ... , 1/4" - 28 NF, 5/16" - 18 NC, 5/16" - 24 NF ... SAE Dies: 4 - 40 NC, 6 - 32 NC, 8 - 32 NC, 10 - 24 NC, 10 - 32 NF, 12 - 24 NC, 1/4" - 20 NC ... , 1/4" - 28 NF, 5/16" - 18 NC, 5/16" - 24 NF ...