4X .312-24 UNF-2B tap .50 min. depth full thread 15.55˝ (385.1) 2.56˝ (65.9) 3.62˝ (92.0) 14.3 5˝ (364.6) 2.56˝ (65.1) 1.25˝ (31.75) .51˝ (12.9) 16.92˝ (429.8) 3.12˝ (79.4) 5.82˝ (147.9) 6.37˝ (161.
4.17˝ (105.9) 10.18˝ 258.