American Standard Thread plug gauge No.0 - 1 15/16"

The American standard thread plug gauges are applied to inspect inner threaded workpieces produced by American national standards as well as American federal standards.   Specification Accuracy d d2 ≤d1 L1 L No.0-80UNF Go 2B 1.532 1.328 1.135 6 62.5 NoGo 1.514 1.377 1.181 5 62.5 No.1-64UNC Go 2B 1.864 1.608 1.369 6 62.5 NoGo 1.836 1.664 1.403 5 62.5 No.2-56UNC Go 2B 2.195 1.9 1.628 6 62.5 NoGo 2.156 1.961 1.649 5 62.5 No.3-48UNC Go 2B 2.525 2.182 1.867 6 62.5 NoGo 2.477 2.248 1.873 5 62.5 No.4-40UNC Go 2B 2.855 2.443 2.068 8 62.5 NoGo 2.791 2.517 2.068 6 62.5 No.5-40UNC Go 2B 3.185 2.774 2.398 6 70.5 NoGo 3.122 2.847 2.398 4 70.5 No.6-40UNF Go 2B 3.515 3.104 2.728 6 70.5 NoGo 3.454 3.18 2.728 4 70.5 No.6-32UNC Go 2B 3.518 3.005 2.532 8 74 NoGo 3.426 3.084 2.532 6 74 No.8-32UNC Go 2B 4.178 3.665 3.193 8 74 NoGo 4.089 3.747 3.193 6 74 No.8-36UNF Go 2B 4.176 3.719 3.302 6 70.5 NoGo 4.105 3.8 3.302 4 70.5 No.10-24UNC Go 2B 4.839 4.153 3.526 8 74