
Overall length L Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ③ PO Spiral Pointed Taps 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 5/8-18UNF GH3 PSU10O3NEB 4.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 5/8-18UNF GH4 PSU10O4NEB 4.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 5/8-18UNF GH5 PSU10O5NEB 4.5P 4.331 1.024 - 2.205 0.48 0.36 0.562 3 5 3/4-10UNC GH5 PSU12V5NEB 4.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 3 5 Spiral Fluted Taps (for through hole) 3/4-10UNC GH6 PSU12V6NEB 4.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 3 5 ② 3/4-16UNF GH3 PSU12P3NEB 4.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 3 5 3/4-16UNF GH4 PSU12P4NEB 4.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 3 5 3/4-16UNF GH5 PSU12P5NEB 4.5P 4.921 1.299 - 2.52 0.59 0.442 0.687 3 5 7/8-9UNC GH4 PSU14W4NEB 4.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 3 5 Spiral Pointed Taps (for through hole) ③ 7/8-9UNC GH5 PSU14W5NEB 4.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 3 5 7/8-9UNC GH6 PSU14W6NEB 4.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 3 5 7/8-14UNF GH4 PSU14Q4NEB 4.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 3 5 7/8-14UNF GH6 PSU14Q6NEB 4.5P 5.512 1.299 - 2.795 0.697 0.523 0.75 3 5 1 -8UNC Hand Taps GH4 PSU16X4NEB 4.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 3 5 ④ 1 -8UNC GH5 PSU16X5NEB 4.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 3 5 1 -8UNC GH6 PSU16X6NEB 4.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 3 5 1 -8UNC GH7 PSU16X7NEB 4.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 3 5 1 -12UNF GH4 PSU16S4NEB 4.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 3 5 Cemented Carbide Taps 1 -12UNF GH5 PSU16S5NEB 4.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 3 5 ⑤ 1 -12UNF GH6 PSU16S6NEB 4.5P 6.299 1.457 - 3.228 0.8 0.6 0.812 3 5 1 1/8-7UNC GH6 PSU18Y6NEB 4.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 1 1/8-7UNC GH7 PSU18Y7NEB 4.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 1 1/8-12UNF GH5 PSU18S5NEB 4.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 Roll Taps 1 1/8-12UNF ⑥ GH6 PSU18S6NEB 4.5P 7.087 1.732 - 3.622 0.896 0.672 0.875 4 5 1 1/4-7UNC GH6 PSU20Y6NEB 4.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 1 1/4-7UNC GH8 PSU20Y8NEB 4.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 1 1/4-12UNF GH5 PSU20S5NEB 4.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 1 1/4-12UNF GH6 PSU20S6NEB 4.5P 7.087 1.929 - 3.622 1.021 0.766 1 4 5 Special Thread Taps Simple Inspection Tools ⑦ 1 3/8-6UNC GH6 PSU22Z6NEB 4.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 1 3/8-6UNC GH8 PSU22Z8NEB 4.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 1 3/8-12UNF GH5 PSU22S5NEB 4.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 1 3/8-12UNF GH6 PSU22S6NEB 4.5P 7.874 2.165 - 4.016 1.108 0.831 1.062 4 5 Pipe Taps 1 1/2-6UNC GH6 PSU24Z6NEB 4.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 5 ⑧ 1 1/2-6UNC GH8 PSU24Z8NEB 4.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 5 1 1/2-12UNF GH5 PSU24S5NEB 4.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 5 1 1/2-12UNF GH7 PSU24S7NEB 4.5P 7.874 2.323 - 4.016 1.233 0.925 1.125 4 5 Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ ANSI ※ This product is different from JIS products in shape and dimensions, please be careful when using. ③-24