Specifications of historical Thread Standards

In 1864, a committee of the Franklin-Institute in the USA presented a thread which was named after its creator, William Sellers, in 1868.
The flank angle is 60°.

Nominal
Diameter
Major
Diameter
Inch
Major
Diameter
mm
Tapping
Drill Size
mm
TPIPitch
mm
1/4" - 200.2506.3504.72201.270
5/16" - 180.3137.9386.13181.411
3/8" - 160.3759.5257.49161.587
7/16" - 140.43811.1138.79141.814
1/2" - 130.50012.7009.99131.954
5/8" - 110.62515.87512.92112.309
3/4" - 100.75019.05015.80102.540
7/8" - 90.87522.22518.6192.822
1" - 81.00025.40021.3383.175
1 1/8" - 71.12528.57523.9373.628
1 1/4" - 71.25031.75027.1073.628
1 3/8" - 61.37534.92529.5064.233
1 1/2" - 61.50038.10032.6864.233
1 5/8" - 5 1/21.62541.27534.775.54.618
1 3/4" - 51.75044.45037.9455.080
1 7/8" - 51.87547.62540.4055.080
2" - 4 1/22.00050.80043.574.55.644
2 1/4" - 4 1/22.25057.15049.024.55.644
2 1/2" - 42.50063.50055.3746.350
2 3/4" - 42.75069.85060.5546.350
3" - 3 1/23.00076.20066.903.57.257
3 1/4" - 3 1/23.25082.55072.573.57.257
3 1/2" - 3 1/43.50088.90078.923.257.815
3 3/4" - 33.75095.25084.4038.467
4" - 34.000101.60090.7538.467
5" - 2 1/25.500127.000115.202.510.160
6" - 2 1/46.000152.400139.402.2511.289
Sellers Thread