d k XPF Extreme Performance Forming Tap List 16250 (Continued) HSS-Co V S-XPF, DIN Overall Length, Bottom (1.5P-2P), Modified Bottom (2.5P-3P), Plug (4P-4.5P) Lc Ln L lk Tap Size Lead ThreadLimit EDPNumber DINOverallLengthThreadLengthNeckLengthShankDia.SquareSquareWidthLengthTap Drill SizeClass of Fit V L Lc Ln d k lk Min Max 2B 3B 5 - 40 UNC 4.5P1.5P H5 16250540451625054415 0.299 0.7090.3150.724 0.1123 0.1148 5 - 44 UNF 2.5P H3 16250054431625005445 0.3100.3090.719 0.1134 0.1157 4.5P H5 1625054445 0.299 0.709 1.5P 1625063215 0.399 0.812 6 - 32 UNC 2.5P H3 162500632316250063252.200.3920.3910.805 0.140 0.109 0.188 0.1221 0.1252 4.5P H5 1625063245 0.370 0.783 1.5P 1625064015 0.394 0.807 6 - 40 UNF 2.5P H3 16250064031625006405 0.388 0.802 0.1253 0.1278 H5 H3 4.5P H5 1625064045 0.374 0.787 1.5P 1625083215 0.400 0.853 8 - 32 UNC 2.5P H3 16250083231625008325 0.393 0.846 0.1481 0.1512 4.5P H51.5P 162508324516250836152.480.3740.3950.8270.8480.1670.131 0.251 8 - 36 UNF 2.5P H34.5PH5 1625008363162500836516250836450.3890.8420.3740.827 0.1498 0.1526 1.5P H6 1625010216 0.530 0.975 10 - 24 UNC 2.5P H4 16250102441625010246 0.521 0.9660.5200.965 0.1688 0.1729 4.5P H61.5P 162501024916250103162.760.4920.5230.9370.9680.1940.151 0.251 H6 H4 10 - 32 UNF 2.5P H44.5PH6 1625010324162501032616250103460.5160.9610.5000.945 0.1741 0.1772 1.5P H7 1625012417 0.532 1.134 12 - 24 UNC 2.5P H5 16250122451625012247 0.522 1.124 0.1948 0.1989 4.5P H7 16250124471.5P16250128170.4960.5231.0981.1300.2200.164 2.220 H7 H5 12 - 28 UNF 2.5P H54.5PH71.5PH6162501228516250122870.519 1.121162501284716250142163.150.5001.1020.5381.2190.19780.2014 1/4 - 20 UNC 2.5P H4 16250142041625014206 0.526 1.207 0.2245 0.2295 4.5P H6 16250142461.5P16250148160.4960.5171.3741.1980.2550.190 0.287 H6 H4 1/4 - 28 UNF 2.5P H44.5PH6 1625014284162501428616250148460.5091.1900.5081.1890.4961.177 0.2318 0.2354 1.5P H7 1625051617 5/16 - 18 UNC 2.5P H54.5PH7 162505618516250561873.540.555 1.378 0.317 0.238 0.374 0.2842 0.2898 H7 H51625051647 Packed: 1 pc. Available V coating only. 376 Forming Taps WWW.OSGTOOL.COM