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 ④ Hand Tap Series Overall Thread Shank Size of Length oflengthlengthdia.squaresquareLℓDsKℓk ANSI HT-CI Hand Taps for Cast Irons ① Size Class Code Chamfer L (inch) ℓ(inch) Ds(inch) K(inch) ℓk(inch) No. offlutes TYPE3/8-24UNFGH3Y860181.5P2.9371.250.3810.2860.43742 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 ② 7/16-14UNC GH5 Y86022 1.5P 3.156 1.437 0.323 0.242 0.406 4 3 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 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 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 ⑤ 9/16-12UNC GH3 Y86036 1.5P 3.593 1.656 0.429 0.322 0.5 4 39/16-18UNFGH3Y860374P3.5931.6560.4290.3220.543 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 ⑥ 5/8-18UNF 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 ⑦ 3/4-16UNF GH3 Y86046 1.5P 4.25 2 0.59 0.422 0.687 4 3 ⑧ ⑨ ⑩ ⑪ ANSI ④-95 ※ This product is different from JIS products in shape and dimensions, please be careful when using.