LONG-THREAD CASING GAGES

Details

Size Major Diameter Pitch Diameter T. P. I. T. P. F. Standoff Tolerance
4-1/2 114.30 111.846 8 1:16 9.525±0.635
5 127.00 124.546
5-1/2 139.70 137.246
6-5/8 168.28 165.821
7 177.80 175.346
7-5/8 193.68 191.114
8-5/8 219.08 216.514
9-5/8 244.48 241.914
20 508.00 505.439