ANSI 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 Special Thread Taps / Simple Inspection Tools Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk⑦ ANSI HT OX STI ① Hand Taps for Helical Coil Wire Screw Thread Inserts, Oxided ② Specification ■Hand tap to cut internal threads for helical coil to enter. Oxide ③ Recommended Tapping Speed depending on Materials Low carbon steels Medium carbon steels 低炭素鋼 中炭素鋼 5〜10 5〜10 (m/min) (m/min) ④ TYPE:1 ⑤ TYPE:2 TYPE:3 ⑥ ⑦ Segment:1A Size Class Code Chamfer L(inch) ℓ(inch) ℓn(inch) ℓs(inch) Ds(inch) K(inch) ℓk(inch) No. offlutesTYPE ⑧ For Unified Threads  No.2-56UNC GH1 TUUN2E1NEX5 5P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 3 1 No.2-56UNC GH1 TUUN2E1NEXA 1.5P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 3 1 No.2-56UNC GH2 TUUN2E2NEX5 5P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 3 1 No.2-56UNC GH2 TUUN2E2NEXA 1.5P 2.205 0.354 0.709 1.28 0.141 0.11 0.187 3 1 ⑨ No.4-40UNC GH1 TUUN4H1NEX5 5P 2.48 0.512 0.827 1.496 0.168 0.131 0.25 3 1 No.4-40UNC GH1 TUUN4H1NEXA 1.5P 2.48 0.512 0.827 1.496 0.168 0.131 0.25 3 1 No.4-40UNC GH2 TUUN4H2NEX5 5P 2.48 0.512 0.827 1.496 0.168 0.131 0.25 3 1 No.4-40UNC GH2 TUUN4H2NEXA 1.5P 2.48 0.512 0.827 1.496 0.168 0.131 0.25 3 1 No.6-32UNC GH1 TUUN6J1NEX5 5P 2.756 0.551 0.945 1.654 0.194 0.131 0.25 3 1 ⑩ No.6-32UNC GH1 TUUN6J1NEXA 1.5P 2.756 0.551 0.945 1.654 0.194 0.131 0.25 3 1 No.6-32UNC GH2 TUUN6J2NEX5 5P 2.756 0.551 0.945 1.654 0.194 0.131 0.25 3 1 No.6-32UNC GH2 TUUN6J2NEXA 1.5P 2.756 0.551 0.945 1.654 0.194 0.131 0.25 3 1 No.8-32UNC GH1 TUUN8J1NEX5 5P 3.15 0.591 0.984 1.929 0.22 0.165 0.281 3 1No.8-32UNCGH1TUUN8J1NEXA1.5P3.150.5910.9841.9290.220.1650.28131 ⑪ No.8-32UNC GH2 TUUN8J2NEX5 5P 3.15 0.591 0.984 1.929 0.22 0.165 0.281 3 1 No.8-32UNC GH2 TUUN8J2NEXA 1.5P 3.15 0.591 0.984 1.929 0.22 0.165 0.281 3 1 ANSI ※ This product is different from JIS products in shape and dimensions, please be careful when using. ⑦-8