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 ③ Spiral Pointed Tap Series for through hole Overall Thread Thread + Neck Shank Size of Length oflengthlengthlengthdia.squaresquareLℓℓnDsKℓk ANSI ZELX SS PO Spiral Pointed Taps for Stainless Steels ① Size Class Code Chamfer L (inch) ℓ(inch) ℓn(inch) Ds(inch) K(inch) ℓk(inch) No. offlutes TYPE5/16-18UNCGH5Y826454.5P2.7180.6691.1250.3180.2380.37533 5/16-18UNC GH7 Y82675 4.5P 2.718 0.669 1.125 0.318 0.238 0.375 3 3 5/16-24UNF GH3 Y82616 4.5P 2.718 0.669 1.125 0.318 0.238 0.375 3 3 5/16-24UNF GH4 Y82632 4.5P 2.718 0.669 1.125 0.318 0.238 0.375 3 3 ② 5/16-24UNF GH5 Y82646 4.5P 2.718 0.669 1.125 0.318 0.238 0.375 3 3 5/16-24UNF GH6 Y82663 4.5P 2.718 0.669 1.125 0.318 0.238 0.375 3 3 5/16-24UNF GH7 Y82676 4.5P 2.718 0.669 1.125 0.318 0.238 0.375 3 3 3/8-16UNC GH3 Y82617 4.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 3/8-16UNC GH5 Y82647 4.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 ③ 3/8-16UNC GH7 Y82668 4.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH3 Y82618 4.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH4 Y82633 4.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH5 Y82648 4.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH6 Y82664 4.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 ④ 3/8-24UNF GH7 Y82678 4.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 7/16-14UNC GH3 Y82619 4.5P 3.156 0.866 - 0.323 0.242 0.406 3 4 7/16-14UNC GH5 Y82649 4.5P 3.156 0.866 - 0.323 0.242 0.406 3 4 7/16-20UNF GH3 Y82620 4.5P 3.156 0.866 - 0.323 0.242 0.406 3 4 ⑤ 7/16-20UNF GH5 Y82650 4.5P 3.156 0.866 - 0.323 0.242 0.406 3 47/16-20UNFGH6Y826914.5P3.1560.866-0.3230.2420.40634 7/16-20UNF GH7 Y82680 4.5P 3.156 0.866 - 0.323 0.242 0.406 3 4 1/2-13UNC GH3 Y82621 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 1/2-13UNC GH5 Y82651 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 ⑥ 1/2-13UNC GH7 Y82681 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 1/2-20UNF GH3 Y82622 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 1/2-20UNF GH5 Y82652 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 1/2-20UNF GH6 Y82692 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 1/2-20UNF GH7 Y82682 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 ⑦ 1/2-20UNF GH9 Y82685 4.5P 3.375 0.984 - 0.367 0.275 0.437 3 4 9/16-12UNC GH3 Y82653 4.5P 3.593 0.984 - 0.429 0.322 0.5 3 4 9/16-18UNF GH3 Y82654 4.5P 3.593 0.984 - 0.429 0.322 0.5 3 4 9/16-18UNF GH5 Y82666 4.5P 3.593 0.984 - 0.429 0.322 0.5 3 4 5/8-11UNC GH3 Y82625 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 4 ⑧ 5/8-11UNC GH5 Y82655 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 4 5/8-18UNF GH3 Y82626 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 4 5/8-18UNF GH4 Y82636 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 4 5/8-18UNF GH5 Y82656 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 4 ⑨ 5/8-18UNF GH6 Y82694 4.5P 3.812 1.083 - 0.48 0.36 0.562 3 45/8-18UNFGH7Y825914.5P3.8121.083-0.480.360.56234 3/4-10UNC GH3 Y82627 4.5P 4.25 1.201 - 0.59 0.422 0.687 3 4 3/4-10UNC GH5 Y82657 4.5P 4.25 1.201 - 0.59 0.422 0.687 3 4 3/4-16UNF GH3 Y82628 4.5P 4.25 1.201 - 0.59 0.422 0.687 3 4 ⑩ 3/4-16UNF GH5 Y82658 4.5P 4.25 1.201 - 0.59 0.422 0.687 3 4 3/4-16UNF GH7 Y82592 4.5P 4.25 1.201 - 0.59 0.422 0.687 3 4 7/8-9UNC GH4 Y82695 4.5P 4.687 1.339 - 0.697 0.523 0.75 3 4 7/8-14UNF GH4 Y82696 4.5P 4.687 1.339 - 0.697 0.523 0.75 3 4 7/8-14UNF GH6 Y82699 4.5P 4.687 1.339 - 0.697 0.523 0.75 3 4 ⑪ 1 -8UNC GH4 Y82697 4.5P 5.125 1.496 - 0.8 0.6 0.812 3 4 1 -12UNF GH4 Y82679 4.5P 5.125 1.496 - 0.8 0.6 0.812 3 4 1 1/8-7UNC GH6 Y82700 4.5P 5.437 1.535 - 0.896 0.672 0.875 4 4 ANSI ③-65 ※ This product is different from JIS products in shape and dimensions, please be careful when using.