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 ④ Hand Tap Series Overall Thread Thread + Neck Shank Size of Length oflengthlengthlengthdia.squaresquareLℓℓnDsKℓk ANSI ① ZELX MOLD Hand Taps for Hard-to-Machine Materials ② Specification ■Suitable for hard steels of 35 〜 45HRC, such as forgings and thermal refined steels of high carbon steels and alloy steels, and die steels. ③ Recommended Tapping Speed depending on Materials Thermal refined steels Tool steels 調質鋼 工具鋼 〜5 〜5 ④ TYPE:1 (m/min) (m/min)35〜45HRC TYPE:2 ⑤ TYPE:3 TYPE:4 ⑥ Segment:1B ⑦ Size Class Code Chamfer L(inch) ℓ(inch) ℓn(inch) Ds(inch) K(inch) ℓk(inch) No. offlutes TYPE For Unified Threads No.4-40UNC GH2 Y89599 5P 1.875 0.335 0.562 0.141 0.11 0.187 3 1 No.5-40UNC GH2 Y89601 5P 1.937 0.374 0.625 0.141 0.11 0.187 3 1 ⑧ No.6-32UNC GH3 Y89602 5P 2 0.413 0.687 0.141 0.11 0.187 3 1 No.8-32UNC GH3 Y89604 5P 2.125 0.453 0.75 0.168 0.131 0.25 3 1 No.10-24UNC GH3 Y89606 5P 2.375 0.531 0.875 0.194 0.152 0.25 3 1 No.10-32UNF GH3 Y89607 5P 2.375 0.531 0.875 0.194 0.152 0.25 3 1 ⑨ 1/4-20UNC GH3 Y89613 5P 2.5 0.591 1 0.255 0.191 0.312 3 21/4-28UNFGH3Y896145P2.50.59110.2550.1910.31232 5/16-18UNC GH3 Y89615 5P 2.718 0.669 1.125 0.318 0.238 0.375 4 3 5/16-24UNF GH3 Y89616 5P 2.718 0.669 1.125 0.318 0.238 0.375 4 3 3/8-16UNC GH3 Y89617 5P 2.937 0.748 1.25 0.381 0.286 0.437 4 3 ⑩ 3/8-24UNF GH3 Y89618 5P 2.937 0.748 1.25 0.381 0.286 0.437 4 37/16-14UNCGH3Y896195P3.1560.866-0.3230.2420.40644 7/16-20UNF GH3 Y89620 5P 3.156 0.866 - 0.323 0.242 0.406 4 4 1/2-13UNC GH3 Y89621 5P 3.375 0.984 - 0.367 0.275 0.437 4 4 1/2-20UNF GH3 Y89622 5P 3.375 0.984 - 0.367 0.275 0.437 4 4 ⑪ 5/8-11UNC GH3 Y89625 5P 3.812 1.083 - 0.48 0.36 0.562 4 4 5/8-18UNF GH3 Y89626 5P 3.812 1.083 - 0.48 0.36 0.562 4 4 3/4-10UNC GH3 Y89627 5P 4.25 1.201 - 0.59 0.422 0.687 4 4 3/4-16UNF GH3 Y89628 5P 4.25 1.201 - 0.59 0.422 0.687 4 4 ANSI ④-123 ※ This product is different from JIS products in shape and dimensions, please be careful when using.