Spiral Fluted Taps (for blind hole)Spiral Fluted Taps(for through hole)Spiral Pointed Taps(for through hole)Hand TapsCementedCarbide TapsRoll TapsSpecial Thread TapsSimple Inspection ToolsPipe TapsThread MillsPremium Thread MillsDiesCenter DrillsCentering Tools ⑥ Roll Tap Series Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk ANSI N-RS Roll Taps for Non-Ferrous Materials ① Size Class Code Chamfer L (inch) ℓ(inch) ℓn(inch) ℓs(inch) Ds(inch) K(inch) ℓk(inch) Lobe TYPENo.8-36UNFH3388450M2P2.480.5120.8271.5350.1680.1310.2542 No.8-36UNF H5 388453M 4P 2.48 0.512 0.827 1.535 0.168 0.131 0.25 4 2 No.8-36UNF H5 388451M 2P 2.48 0.512 0.827 1.535 0.168 0.131 0.25 4 2 No.10-24UNC H4 388456M 4P 2.756 0.551 0.945 1.654 0.194 0.152 0.25 4 2 ② No.10-24UNC H4 388454M 2P 2.756 0.551 0.945 1.654 0.194 0.152 0.25 4 2 No.10-24UNC H6 388457M 4P 2.756 0.551 0.945 1.654 0.194 0.152 0.25 4 2 No.10-24UNC H6 388455M 2P 2.756 0.551 0.945 1.654 0.194 0.152 0.25 4 2 No.10-32UNF H4 388460M 4P 2.756 0.551 0.945 1.654 0.194 0.152 0.25 4 2 No.10-32UNF H4 388458M 2P 2.756 0.551 0.945 1.654 0.194 0.152 0.25 4 2 ③ No.10-32UNF H6 388461M 4P 2.756 0.551 0.945 1.654 0.194 0.152 0.25 4 2 No.10-32UNF H6 388459M 2P 2.756 0.551 0.945 1.654 0.194 0.152 0.25 4 2 No.12-24UNC H4 388464M 4P 3.15 0.591 0.984 1.953 0.22 0.165 0.281 4 2 No.12-24UNC H4 388462M 2P 3.15 0.591 0.984 1.953 0.22 0.165 0.281 4 2 No.12-24UNC H6 388465M 4P 3.15 0.591 0.984 1.953 0.22 0.165 0.281 4 2 ④ No.12-24UNC H6 388463M 2P 3.15 0.591 0.984 1.953 0.22 0.165 0.281 4 2 No.12-28UNF H4 388468M 4P 3.15 0.591 0.984 1.953 0.22 0.165 0.281 4 2 No.12-28UNF H4 388466M 2P 3.15 0.591 0.984 1.953 0.22 0.165 0.281 4 2 No.12-28UNF H6 388469M 4P 3.15 0.591 0.984 1.953 0.22 0.165 0.281 4 2 ⑤ No.12-28UNF H6 388467M 2P 3.15 0.591 0.984 1.953 0.22 0.165 0.281 4 21/4-20UNCH4388472M4P3.150.5911.1811.7130.2550.1910.31242 1/4-20UNC H4 388470M 2P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 4 2 1/4-20UNC H6 388473M 4P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 4 2 1/4-20UNC H6 388471M 2P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 4 2 ⑥ 1/4-28UNF H4 388476M 4P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 4 2 1/4-28UNF H4 388474M 2P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 4 2 1/4-28UNF H6 388477M 4P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 4 2 1/4-28UNF H6 388475M 2P 3.15 0.591 1.181 1.713 0.255 0.191 0.312 4 2 5/16-18UNC H5 388480M 4P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 6 3 ⑦ 5/16-18UNC H5 388478M 2P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 6 3 5/16-18UNC H7 388481M 4P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 6 3 5/16-18UNC H7 388479M 2P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 6 3 5/16-24UNF H5 388484M 4P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 6 3 5/16-24UNF H5 388482M 2P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 6 3 ⑧ 5/16-24UNF H7 388485M 4P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 6 3 5/16-24UNF H7 388483M 2P 3.543 0.748 1.378 1.831 0.318 0.238 0.375 6 3 3/8-16UNC H5 388488M 4P 3.937 0.906 1.535 2.028 0.381 0.286 0.437 6 3 3/8-16UNC H5 388486M 2P 3.937 0.906 1.535 2.028 0.381 0.286 0.437 6 3 ⑨ 3/8-16UNC H7 388489M 4P 3.937 0.906 1.535 2.028 0.381 0.286 0.437 6 33/8-16UNCH7388487M2P3.9370.9061.5352.0280.3810.2860.43763 3/8-24UNF H5 388492M 4P 3.937 0.906 1.535 2.028 0.381 0.286 0.437 6 3 3/8-24UNF H5 388490M 2P 3.937 0.906 1.535 2.028 0.381 0.286 0.437 6 3 3/8-24UNF H7 388493M 4P 3.937 0.906 1.535 2.028 0.381 0.286 0.437 6 3 ⑩ 3/8-24UNF H7 388491M 2P 3.937 0.906 1.535 2.028 0.381 0.286 0.437 6 3 7/16-14UNC H5 388496M 4P 3.937 0.906 - 2.008 0.323 0.242 0.406 6 4 7/16-14UNC H5 388494M 2P 3.937 0.906 - 2.008 0.323 0.242 0.406 6 4 7/16-14UNC H7 388497M 4P 3.937 0.906 - 2.008 0.323 0.242 0.406 6 4 7/16-14UNC H7 388495M 2P 3.937 0.906 - 2.008 0.323 0.242 0.406 6 4 ⑪ 7/16-20UNF H5 388502M 4P 3.937 0.906 - 2.008 0.323 0.242 0.406 6 4 7/16-20UNF H5 388498M 2P 3.937 0.906 - 2.008 0.323 0.242 0.406 6 4 7/16-20UNF H7 388503M 4P 3.937 0.906 - 2.008 0.323 0.242 0.406 6 4 ANSI ⑥-33 ※ This product is different from JIS products in shape and dimensions, please be careful when using.