Thread | T.P.I UNC | T.P.I UNF | a | h | j (max) | t (max) |
0 | * | 80 | 0.116-0.104 | 0.039-0.031 | 0.023 | 0.022 |
1 | 64 | 72 | 0.142-0.130 | 0.046-0.038 | 0.026 | 0.027 |
2 | 56 | 64 | 0.167-0.155 | 0.053-0.045 | 0.031 | 0.031 |
3 | 48 | 56 | 0.193-0.180 | 0.060-0.051 | 0.035 | 0.036 |
4 | 40 | 48 | 0.219-0.205 | 0.068-0.058 | 0.039 | 0.040 |
5 | 40 | 44 | 0.245-0.231 | 0.075-0.065 | 0.043 | 0.045 |
6 | 32 | 40 | 0.270-0.256 | 0.082-0.072 | 0.048 | 0.050 |
8 | 32 | 36 | 0.322-0.306 | 0.096-0.085 | 0.054 | 0.058 |
10 | 24 | 32 | 0.373-0.357 | 0.110-0.099 | 0.060 | 0.068 |
12 | 24 | 28 | 0.425-0.407 | 0.125-0.112 | 0.067 | 0.077 |
1/4 | 20 | 28 | 0.492-0.473 | 0.144-0.130 | 0.075 | 0.087 |
5/16 | 18 | 24 | 0.615-0.594 | 0.178-0.162 | 0.084 | 0.106 |
3/8 | 16 | 24 | 0.740-0.716 | 0.212-0.195 | 0.094 | 0.124 |