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 ANSI ① Spiral Fluted Tap Series for blind hole Overall Thread Thread + Neck Shank Size of Length oflengthlengthlengthdia.squaresquareLℓℓnDsKℓk ANSI ① ZELX NI SP Spiral Fluted Taps for Nickel Base Alloys ② Specification ■ZELX NI SP is the spiral fluted tap for nickel base alloys which, with nickel as main composition, have much higher corrosion resistance and much ③ Nitride/Oxide higher heat resistance than steels. Recommended Tapping Speed depending on Materials Medium carbon steels High carbon steels Stainless steels Nickel base alloys 中炭素鋼 高炭素鋼 ステンレス鋼 ニッケル基合金 5〜15 5〜15 5〜15 5〜10 ④ (m/min) (m/min) (m/min) (m/min) Segment:1D Size Class Code Chamfer L(inch) ℓ(inch) ℓn(inch) Ds(inch) K(inch) ℓk(inch) No. offlutes TYPE For Metric Threads ⑤ M2.5 × 0.45 D3 Y88320 3P 1.812 0.157 0.5 0.141 0.11 0.187 3 1M3 × 0.5D3Y883213P1.9370.1970.6250.1410.110.18731 M3.5 × 0.6 D4 Y88322 3P 2 0.276 0.687 0.141 0.11 0.187 3 1 M4 × 0.7 D4 Y88323 3P 2.125 0.276 0.75 0.168 0.131 0.25 3 1 M5 × 0.8 D4 Y88324 3P 2.375 0.354 0.875 0.194 0.152 0.25 3 1 ⑥ M6 × 1 D5 Y88325 3P 2.5 0.433 1 0.255 0.191 0.312 3 2 M7 × 1 D5 Y88326 3P 2.718 0.433 1.125 0.318 0.238 0.375 3 3 M8 × 1.25 D5 Y88328 3P 2.718 0.472 1.125 0.318 0.238 0.375 3 3 M8 × 1 D5 Y88327 3P 2.718 0.472 1.125 0.318 0.238 0.375 3 3 M10 × 1.5 D6 Y88330 3P 2.937 0.512 1.25 0.381 0.286 0.437 3 3 ⑦ M10 × 1.25 D5 Y88329 3P 2.937 0.472 1.25 0.381 0.286 0.437 3 3 M12 × 1.75 D6 Y88332 3P 3.375 0.591 - 0.367 0.275 0.437 3 4 M12 × 1.25 D5 Y88331 3P 3.375 0.551 - 0.367 0.275 0.437 3 4 For Unified Threads ⑧ No.2-56UNC GH2 Y87523 3P 1.75 0.157 0.437 0.141 0.11 0.187 3 1No.4-40UNCGH2Y875013P1.8750.2360.5620.1410.110.18731 No.4-40UNC GH2 Y87583 1.5P 1.875 0.236 0.562 0.141 0.11 0.187 3 1 No.4-40UNC GH3 Y87502 3P 1.875 0.236 0.562 0.141 0.11 0.187 3 1 No.4-40UNC GH3 Y87002 1.5P 1.875 0.236 0.562 0.141 0.11 0.187 3 1 ⑨ No.4-40UNC GH4 Y87512 3P 1.875 0.236 0.562 0.141 0.11 0.187 3 1 No.4-40UNC GH5 Y87534 3P 1.875 0.236 0.562 0.141 0.11 0.187 3 1 No.4-40UNC GH5 Y87072 1.5P 1.875 0.236 0.562 0.141 0.11 0.187 3 1 No.5-40UNC GH2 Y87504 3P 1.937 0.236 0.625 0.141 0.11 0.187 3 1 No.6-32UNC GH2 Y87006 1.5P 2 0.276 0.687 0.141 0.11 0.187 3 1 ⑩ No.6-32UNC GH3 Y87505 3P 2 0.276 0.687 0.141 0.11 0.187 3 1 No.6-32UNC GH3 Y87005 1.5P 2 0.276 0.687 0.141 0.11 0.187 3 1 No.6-32UNC GH4 Y87508 3P 2 0.276 0.687 0.141 0.11 0.187 3 1 No.6-32UNC GH5 Y87535 3P 2 0.276 0.687 0.141 0.11 0.187 3 1 No.6-32UNC GH5 Y87035 1.5P 2 0.276 0.687 0.141 0.11 0.187 3 1 ⑪ No.6-32UNC GH6 Y87559 3P 2 0.276 0.687 0.141 0.11 0.187 3 1 No.6-32UNC GH7 Y87565 3P 2 0.276 0.687 0.141 0.11 0.187 3 1 No.8-32UNC GH2 Y87506 3P 2.125 0.276 0.75 0.168 0.131 0.25 3 1 No.8-32UNC GH3 Y87507 3P 2.125 0.276 0.75 0.168 0.131 0.25 3 1 ANSI ①-161 ※ This product is different from JIS products in shape and dimensions, please be careful when using.