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 Overall Thread Thread + Neck Shank Size of Length oflengthlengthlengthdia.squaresquareLℓℓnDsKℓk① ANSI Size Class Code Chamfer L (inch) ℓ(inch) ℓn(inch) Ds(inch) K(inch) ℓk(inch) No. offlutes TYPEFor Unified Threads ① No.2-56UNC GH2 Y87623 3P 1.75 0.157 0.437 0.141 0.11 0.187 3 1 No.4-40UNC GH2 Y87601 3P 1.875 0.236 0.562 0.141 0.11 0.187 3 1 No.4-40UNC GH4 Y87612 3P 1.875 0.236 0.562 0.141 0.11 0.187 3 1 No.4-40UNC GH4 Y87001 1.5P 1.875 0.236 0.562 0.141 0.11 0.187 3 1 ② No.6-32UNC GH3 Y87605 3P 2 0.276 0.687 0.141 0.11 0.187 3 1 No.6-32UNC GH3 Y87606 1.5P 2 0.276 0.687 0.141 0.11 0.187 3 1 No.6-32UNC GH4 Y87608 3P 2 0.276 0.687 0.141 0.11 0.187 3 1 No.6-32UNC GH5 Y87635 3P 2 0.276 0.687 0.141 0.11 0.187 3 1 No.8-32UNC GH3 Y87607 3P 2.125 0.276 0.75 0.168 0.131 0.25 3 1 ③ No.8-32UNC GH3 Y87007 1.5P 2.125 0.276 0.75 0.168 0.131 0.25 3 1 No.8-32UNC GH4 Y87629 3P 2.125 0.276 0.75 0.168 0.131 0.25 3 1 No.8-32UNC GH5 Y87637 3P 2.125 0.276 0.75 0.168 0.131 0.25 3 1 No.8-32UNC GH6 Y87660 3P 2.125 0.276 0.75 0.168 0.131 0.25 3 1 No.8-32UNC GH7 Y87667 3P 2.125 0.276 0.75 0.168 0.131 0.25 3 1 ④ No.10-24UNC GH3 Y87609 3P 2.375 0.354 0.875 0.194 0.152 0.25 3 1 No.10-24UNC GH3 Y81608 1.5P 2.375 0.354 0.875 0.194 0.152 0.25 3 1 No.10-32UNF GH3 Y87610 3P 2.375 0.276 0.875 0.194 0.152 0.25 3 1 No.10-32UNF GH3 Y87010 1.5P 2.375 0.276 0.875 0.194 0.152 0.25 3 1No.10-32UNFGH4Y876303P2.3750.2760.8750.1940.1520.2531 ⑤ No.10-32UNF GH5 Y87640 3P 2.375 0.276 0.875 0.194 0.152 0.25 3 1 No.10-32UNF GH6 Y87661 3P 2.375 0.276 0.875 0.194 0.152 0.25 3 1 No.10-32UNF GH7 Y87670 3P 2.375 0.276 0.875 0.194 0.152 0.25 3 1 1/4-20UNC GH3 Y87613 3P 2.5 0.433 1 0.255 0.191 0.312 3 2 ⑥ 1/4-20UNC GH3 Y87628 1.5P 2.5 0.433 1 0.255 0.191 0.312 3 2 1/4-28UNF GH3 Y87614 3P 2.5 0.354 1 0.255 0.191 0.312 3 2 1/4-28UNF GH3 Y87014 1.5P 2.5 0.354 1 0.255 0.191 0.312 3 2 1/4-28UNF GH4 Y87631 3P 2.5 0.354 1 0.255 0.191 0.312 3 2 1/4-28UNF GH5 Y87644 3P 2.5 0.354 1 0.255 0.191 0.312 3 2 ⑦ 1/4-28UNF GH6 Y87662 3P 2.5 0.354 1 0.255 0.191 0.312 3 2 1/4-28UNF GH7 Y87674 3P 2.5 0.354 1 0.255 0.191 0.312 3 2 5/16-18UNC GH3 Y87615 3P 2.718 0.472 1.125 0.318 0.238 0.375 3 3 5/16-18UNC GH3 Y87695 1.5P 2.718 0.472 1.125 0.318 0.238 0.375 3 3 5/16-24UNF GH3 Y87616 3P 2.718 0.394 1.125 0.318 0.238 0.375 3 3 ⑧ 5/16-24UNF GH3 Y87016 1.5P 2.718 0.394 1.125 0.318 0.238 0.375 3 3 5/16-24UNF GH4 Y87632 3P 2.718 0.394 1.125 0.318 0.238 0.375 3 3 5/16-24UNF GH5 Y87646 3P 2.718 0.394 1.125 0.318 0.238 0.375 3 3 5/16-24UNF GH6 Y87663 3P 2.718 0.394 1.125 0.318 0.238 0.375 3 35/16-24UNFGH7Y876763P2.7180.3941.1250.3180.2380.37533 ⑨ 3/8-16UNC GH3 Y87617 3P 2.937 0.551 1.25 0.381 0.286 0.437 3 3 3/8-16UNC GH3 Y87611 1.5P 2.937 0.551 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH3 Y87618 3P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH3 Y87018 1.5P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 ⑩ 3/8-24UNF GH4 Y87633 3P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH5 Y87648 3P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH6 Y87664 3P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH7 Y87678 3P 2.937 0.394 1.25 0.381 0.286 0.437 3 3 7/16-14UNC GH3 Y87619 3P 3.156 0.591 - 0.323 0.242 0.406 3 4 ⑪ 7/16-14UNC GH3 Y81629 1.5P 3.156 0.591 - 0.323 0.242 0.406 3 4 7/16-20UNF GH3 Y87620 3P 3.156 0.472 - 0.323 0.242 0.406 3 4 ANSI ※ This product is different from JIS products in shape and dimensions, please be careful when using. ①-154