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 ① Spiral Fluted Tap Series for blind hole Overall Thread Thread + Neck Shank Size of Length oflengthlengthlengthdia.squaresquareLℓℓnDsKℓk ANSI ZELX SS SP Spiral Fluted Taps for Stainless Steels ① Size Class Code Chamfer L (inch) ℓ(inch) ℓn(inch) Ds(inch) K(inch) ℓk(inch) No. offlutesTYPE3/8-24UNFGH3Y846182.5P2.9370.3941.250.3810.2860.43733 3/8-24UNF GH3 Y84018 1.5P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH4 Y84633 2.5P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH4 Y84033 1.5P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 ② 3/8-24UNF GH5 Y84648 2.5P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH5 Y84048 1.5P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH7 Y84678 2.5P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 7/16-14UNC GH3 Y84619 2.5P 3.156 0.591 - 0.323 0.242 0.406 3 4 7/16-14UNC GH3 Y84019 1.5P 3.156 0.591 - 0.323 0.242 0.406 3 4 ③ 7/16-14UNC GH5 Y84649 2.5P 3.156 0.591 - 0.323 0.242 0.406 3 4 7/16-14UNC GH5 Y84049 1.5P 3.156 0.591 - 0.323 0.242 0.406 3 4 7/16-14UNC GH7 Y84679 2.5P 3.156 0.591 - 0.323 0.242 0.406 3 4 7/16-20UNF GH3 Y84620 2.5P 3.156 0.472 - 0.323 0.242 0.406 3 4 7/16-20UNF GH3 Y84020 1.5P 3.156 0.472 - 0.323 0.242 0.406 3 4 ④ 7/16-20UNF GH5 Y84650 2.5P 3.156 0.472 - 0.323 0.242 0.406 3 4 7/16-20UNF GH5 Y84050 1.5P 3.156 0.472 - 0.323 0.242 0.406 3 4 7/16-20UNF GH6 Y84691 2.5P 3.156 0.472 - 0.323 0.242 0.406 3 4 7/16-20UNF GH7 Y84680 2.5P 3.156 0.472 - 0.323 0.242 0.406 3 4 ⑤ 1/2-13UNC GH3 Y84621 2.5P 3.375 0.63 - 0.367 0.275 0.437 3 41/2-13UNCGH3Y840211.5P3.3750.63-0.3670.2750.43734 1/2-13UNC GH5 Y84651 2.5P 3.375 0.63 - 0.367 0.275 0.437 3 4 1/2-13UNC GH5 Y84051 1.5P 3.375 0.63 - 0.367 0.275 0.437 3 4 1/2-13UNC GH7 Y84681 2.5P 3.375 0.63 - 0.367 0.275 0.437 3 4 ⑥ 1/2-20UNF GH3 Y84622 2.5P 3.375 0.472 - 0.367 0.275 0.437 3 4 1/2-20UNF GH3 Y84022 1.5P 3.375 0.472 - 0.367 0.275 0.437 3 4 1/2-20UNF GH5 Y84652 2.5P 3.375 0.472 - 0.367 0.275 0.437 3 4 1/2-20UNF GH5 Y84052 1.5P 3.375 0.472 - 0.367 0.275 0.437 3 4 1/2-20UNF GH6 Y84692 2.5P 3.375 0.472 - 0.367 0.275 0.437 3 4 ⑦ 1/2-20UNF GH7 Y84682 2.5P 3.375 0.472 - 0.367 0.275 0.437 3 4 9/16-12UNC GH3 Y84653 2.5P 3.593 0.709 - 0.429 0.322 0.5 3 4 9/16-12UNC GH3 Y84053 1.5P 3.593 0.709 - 0.429 0.322 0.5 3 4 9/16-18UNF GH3 Y84654 2.5P 3.593 0.512 - 0.429 0.322 0.5 3 4 9/16-18UNF GH3 Y84054 1.5P 3.593 0.512 - 0.429 0.322 0.5 3 4 ⑧ 9/16-18UNF GH5 Y84698 2.5P 3.593 0.512 - 0.429 0.322 0.5 3 4 5/8-11UNC GH3 Y84625 2.5P 3.812 0.748 - 0.48 0.36 0.562 3 4 5/8-11UNC GH3 Y84025 1.5P 3.812 0.748 - 0.48 0.36 0.562 3 4 5/8-11UNC GH5 Y84655 2.5P 3.812 0.748 - 0.48 0.36 0.562 3 4 ⑨ 5/8-11UNC GH5 Y84055 1.5P 3.812 0.748 - 0.48 0.36 0.562 3 45/8-18UNFGH3Y846262.5P3.8120.512-0.480.360.56234 5/8-18UNF GH3 Y84026 1.5P 3.812 0.512 - 0.48 0.36 0.562 3 4 5/8-18UNF GH5 Y84656 2.5P 3.812 0.512 - 0.48 0.36 0.562 3 4 5/8-18UNF GH5 Y84056 1.5P 3.812 0.512 - 0.48 0.36 0.562 3 4 ⑩ 5/8-18UNF GH7 Y84672 2.5P 3.812 0.512 - 0.48 0.36 0.562 3 4 3/4-10UNC GH3 Y84627 2.5P 4.25 0.827 - 0.59 0.442 0.687 4 4 3/4-10UNC GH3 Y84027 1.5P 4.25 0.827 - 0.59 0.442 0.687 4 4 3/4-10UNC GH5 Y84657 2.5P 4.25 0.827 - 0.59 0.442 0.687 4 4 3/4-16UNF GH3 Y84628 2.5P 4.25 0.591 - 0.59 0.442 0.687 4 4 ⑪ 3/4-16UNF GH3 Y84028 1.5P 4.25 0.591 - 0.59 0.442 0.687 4 4 3/4-16UNF GH5 Y84658 2.5P 4.25 0.591 - 0.59 0.442 0.687 4 4 3/4-16UNF GH7 Y84686 2.5P 4.25 0.591 - 0.59 0.442 0.687 4 4 ANSI ①-105 ※ This product is different from JIS products in shape and dimensions, please be careful when using.