
④ Hand Tap Series Overall length L Thread length ℓ Shank dia. Ds Size of square K Length of square ℓk ANSI HT-CI Hand Taps for Cast Irons L ℓ Ds K ℓk No. of Size Class Code Chamfer TYPE Spiral Fluted Taps (for blind hole) (inch) (inch) (inch) (inch) (inch) flutes ① 3/8-24UNF GH3 Y86018 1.5P 2.937 1.25 0.381 0.286 0.437 4 2 7/16-14UNC GH3 Y86019 4P 3.156 1.437 0.323 0.242 0.406 4 3 7/16-14UNC GH3 Y86020 1.5P 3.156 1.437 0.323 0.242 0.406 4 3 7/16-14UNC GH5 Y86021 4P 3.156 1.437 0.323 0.242 0.406 4 3 Spiral Fluted Taps (for through hole) 7/16-14UNC GH5 Y86022 1.5P 3.156 1.437 0.323 0.242 0.406 4 3 ② 7/16-20UNF GH3 Y86023 4P 3.156 1.437 0.323 0.242 0.406 4 3 7/16-20UNF GH3 Y86024 1.5P 3.156 1.437 0.323 0.242 0.406 4 3 7/16-20UNF GH5 Y86025 4P 3.156 1.437 0.323 0.242 0.406 4 3 7/16-20UNF GH5 Y86026 1.5P 3.156 1.437 0.323 0.242 0.406 4 3 Spiral Pointed Taps (for through hole) ③ 1/2-13UNC GH3 Y86027 4P 3.375 1.656 0.367 0.275 0.437 4 3 1/2-13UNC GH3 Y86028 1.5P 3.375 1.656 0.367 0.275 0.437 4 3 1/2-13UNC GH5 Y86029 4P 3.375 1.656 0.367 0.275 0.437 4 3 1/2-13UNC GH5 Y86030 1.5P 3.375 1.656 0.367 0.275 0.437 4 3 1/2-20UNF Hand Taps GH3 Y86031 4P 3.375 1.656 0.367 0.275 0.437 4 3 ④ 1/2-20UNF GH3 Y86032 1.5P 3.375 1.656 0.367 0.275 0.437 4 3 1/2-20UNF GH5 Y86033 4P 3.375 1.656 0.367 0.275 0.437 4 3 1/2-20UNF GH5 Y86034 1.5P 3.375 1.656 0.367 0.275 0.437 4 3 9/16-12UNC GH3 Y86035 4P 3.593 1.656 0.429 0.322 0.5 4 3 Cemented Carbide Taps 9/16-12UNC GH3 Y86036 1.5P 3.593 1.656 0.429 0.322 0.5 4 3 ⑤ 9/16-18UNF GH3 Y86037 4P 3.593 1.656 0.429 0.322 0.5 4 3 9/16-18UNF GH3 Y86038 1.5P 3.593 1.656 0.429 0.322 0.5 4 3 5/8-11UNC GH3 Y86039 4P 3.812 1.812 0.48 0.36 0.562 4 3 5/8-11UNC GH3 Y86040 1.5P 3.812 1.812 0.48 0.36 0.562 4 3 Roll Taps 5/8-18UNF ⑥ GH3 Y86041 4P 3.812 1.812 0.48 0.36 0.562 4 3 5/8-18UNF GH3 Y86042 1.5P 3.812 1.812 0.48 0.36 0.562 4 3 3/4-10UNC GH3 Y86043 4P 4.25 2 0.59 0.422 0.687 4 3 3/4-10UNC GH3 Y86044 1.5P 4.25 2 0.59 0.422 0.687 4 3 3/4-16UNF GH3 Y86045 4P 4.25 2 0.59 0.422 0.687 4 3 Special Thread Taps Simple Inspection Tools ⑦ 3/4-16UNF GH3 Y86046 1.5P 4.25 2 0.59 0.422 0.687 4 3 Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ ANSI ④-95 ※ This product is different from JIS products in shape and dimensions, please be careful when using.