Overall length L Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ① SP OX Spiral Fluted Taps,Oxidized ANSI L ℓ ℓn ℓs Ds K ℓk No. of TYPE Size Class Code Chamfer Spiral Fluted Taps (for blind hole) (inch) (inch) (inch) (inch) (inch) (inch) (inch) flutes ① 9/16-12UNC GH5 SSU09S5NEX 2.5P 4.331 1.024 - 2.205 0.429 0.322 0.5 3 5 9/16-18UNF GH3 SSU09O3NEX 2.5P 4.331 1.024 - 2.205 0.429 0.322 0.5 3 5 9/16-18UNF GH4 SSU09O4NEX 2.5P 4.331 1.024 - 2.205 0.429 0.322 0.5 3 5 9/16-18UNF GH5 SSU09O5NEX 2.5P 4.331 1.024 - 2.205 0.429 0.322 0.5 3 5 Spiral Fluted Taps (for through hole) 5/8-11UNC GH3 SSU10U3NEX 2.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 ② 5/8-11UNC GH4 SSU10U4NEX 2.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 5/8-11UNC GH5 SSU10U5NEX 2.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 5/8-11UNC GH11 SSU10U-EEX 2.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 5/8-18UNF GH3 SSU10O3NEX 2.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 Spiral Pointed Taps (for through hole) ③ 5/8-18UNF GH4 SSU10O4NEX 2.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 5/8-18UNF GH5 SSU10O5NEX 2.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 5/8-18UNF GH11 SSU10O-EEX 2.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 3/4-10UNC GH3 SSU12V3NEX 2.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 4 5 3/4-10UNC Hand Taps GH5 SSU12V5NEX 2.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 4 5 ④ 3/4-10UNC GH11 SSU12V-EEX 2.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 4 5 3/4-16UNF GH3 SSU12P3NEX 2.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 4 5 3/4-16UNF GH4 SSU12P4NEX 2.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 4 5 3/4-16UNF GH5 SSU12P5NEX 2.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 4 5 Cemented Carbide Taps 3/4-16UNF GH11 SSU12P-EEX 2.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 4 5 ⑤ 7/8-9UNC GH4 SSU14W4NEX 2.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 4 5 7/8-9UNC GH5 SSU14W5NEX 2.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 4 5 7/8-9UNC GH6 SSU14W6NEX 2.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 4 5 7/8-14UNF GH3 SSU14Q3NEX 2.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 4 5 Roll Taps 7/8-14UNF ⑥ GH4 SSU14Q4NEX 2.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 4 5 7/8-14UNF GH6 SSU14Q6NEX 2.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 4 5 1 -8UNC GH4 SSU16X4NEX 2.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 5 1 -8UNC GH5 SSU16X5NEX 2.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 5 1 -8UNC GH6 SSU16X6NEX 2.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 5 Special Thread Taps Simple Inspection Tools ⑦ 1 -12UNF GH3 SSU16S3NEX 2.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 5 1 -12UNF GH4 SSU16S4NEX 2.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 5 1 -12UNF GH5 SSU16S5NEX 2.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 5 1 -12UNF GH6 SSU16S6NEX 2.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 4 5 Pipe Taps 1 1/8-7UNC GH4 SSU18Y4NEX 2.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 ⑧ 1 1/8-7UNC GH6 SSU18Y6NEX 2.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 1 1/8-12UNF GH4 SSU18S4NEX 2.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 1 1/8-12UNF GH5 SSU18S5NEX 2.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 1 1/4-7UNC GH4 SSU20Y4NEX 2.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 Thread Mills Premium Thread Mills 1 1/4-7UNC GH6 SSU20Y6NEX 2.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 ⑨ 1 1/4-12UNF GH4 SSU20S4NEX 2.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 1 1/4-12UNF GH5 SSU20S5NEX 2.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 1 3/8-6UNC GH5 SSU22Z5NEX 2.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 1 3/8-6UNC GH6 SSU22Z6NEX 2.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 Dies ⑩ 1 3/8-12UNF GH4 SSU22S4NEX 2.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 1 3/8-12UNF GH5 SSU22S5NEX 2.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 1 1/2-6UNC GH5 SSU24Z5NEX 2.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 5 1 1/2-6UNC GH6 SSU24Z6NEX 2.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 5 1 1/2-12UNF GH4 SSU24S4NEX 2.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 5 Center Drills Centering Tools ⑪ 1 1/2-12UNF GH5 SSU24S5NEX 2.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 5 ANSI ※ This product is different from JIS products in shape and dimensions, please be careful when using. ①-70