
③ Spiral Pointed Tap Series for through hole Overall length L Thread length ℓ Thread + Neck ℓn length Shank dia. Ds Size of square K Length of square ℓk ANSI ZELX NI PO Spiral Pointed Taps for Nickel Base Alloys L ℓ ℓn Ds K ℓk No. of Size Class Code Chamfer TYPE Spiral Fluted Taps (for blind hole) (inch) (inch) (inch) (inch) (inch) (inch) flutes ① 1/2-13UNC GH5 Y85551 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 1/2-13UNC GH7 Y85581 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 1/2-20UNF GH3 Y85522 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 1/2-20UNF GH5 Y85552 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 Spiral Fluted Taps (for through hole) 1/2-20UNF GH7 Y85582 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 ② 5/8-11UNC GH3 Y85525 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 4 5/8-11UNC GH5 Y85555 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 4 5/8-11UNC GH7 Y85585 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 4 5/8-18UNF GH3 Y85526 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 4 Spiral Pointed Taps (for through hole) ③ 5/8-18UNF GH5 Y85556 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 4 5/8-18UNF GH7 Y85586 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 4 3/4-10UNC GH3 Y85527 4.5P 4.25 1.201 - 0.59 0.442 0.687 3 4 3/4-10UNC GH5 Y85557 4.5P 4.25 1.201 - 0.59 0.442 0.687 3 4 3/4-16UNF Hand Taps GH3 Y85528 4.5P 4.25 1.201 - 0.59 0.442 0.687 3 4 ④ 3/4-16UNF GH5 Y85558 4.5P 4.25 1.201 - 0.59 0.442 0.687 3 4 Cemented Carbide Taps ⑤ Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ ANSI ③-89 ※ This product is different from JIS products in shape and dimensions, please be careful when using.