Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk HT OX Hand Taps, Oxided Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type (for blind hole) Spiral Fluted Taps (inch) (inch) (inch) (inch) (inch) (mm) (mm) flutes TSU14Q4NEX5 5P GH4 TSU14Q4NEXA 1.5P 7/8-14UNF 5.512 1.299 - 2.795 0.697 0.523 0.75 4 4 TSU14Q6NEX5 5P GH6 (for through hole) Spiral Fluted Taps TSU14Q6NEXA 1.5P TSU16X4NEX5 5P GH4 TSU16X4NEXA 1.5P TSU16X5NEX5 5P GH5 TSU16X5NEXA 1.5P (for through hole) Spiral Pointed Taps 1-8UNC 6.299 1.457 - 3.228 0.8 0.6 0.812 4 4 TSU16X6NEX5 5P GH6 TSU16X6NEXA 1.5P TSU16X7NEX5 5P GH7 TSU16X7NEXA 1.5P TSU16S4NEX5 5P Hand Taps GH4 TSU16S4NEXA 1.5P TSU16S5NEX5 5P 1-12UNF GH5 6.299 1.457 - 3.228 0.8 0.6 0.812 4 4 TSU16S5NEXA 1.5P TSU16S6NEX5 5P Carbide Taps Cemented GH6 TSU16S6NEXA 1.5P TSU18Y6NEX5 5P GH6 TSU18Y6NEXA 1.5P 1 1/8-7UNC 7.087 1.732 - 3.622 0.896 0.672 0.875 4 4 TSU18Y7NEX5 5P Roll Taps GH7 TSU18Y7NEXA 1.5P TSU18S5NEX5 5P GH5 TSU18S5NEXA 1.5P 1 1/8-12UNF 7.087 1.732 - 3.622 0.896 0.672 0.875 4 4 TSU18S6NEX5 5P GH6 Simple Inspection Tools Pipe Taps TSU18S6NEXA 1.5P TSU20Y6NEX5 5P GH6 TSU20Y6NEXA 1.5P 1 1/4-7UNC 7.087 1.929 - 3.622 1.021 0.766 1 4 4 TSU20Y8NEX5 5P GH8 TSU20Y8NEXA 1.5P TSU20S5NEX5 5P GH5 TSU20S5NEXA 1.5P 1 1/4-12UNF 7.087 1.929 - 3.622 1.021 0.766 1 6 4 TSU20S6NEX5 5P GH6 TSU20S6NEXA 1.5P Thread Mills TSU22Z6NEX5 5P GH6 TSU22Z6NEXA 1.5P 1 3/8-6UNC 7.874 2.165 - 4.016 1.108 0.831 1.062 4 4 TSU22Z8NEX5 5P GH8 TSU22Z8NEXA 1.5P Dies TSU22S5NEX5 5P GH5 TSU22S5NEXA 1.5P 1 3/8-12UNF 7.874 2.165 - 4.016 1.108 0.831 1.062 6 4 TSU22S6NEX5 5P GH6 TSU22S6NEXA 1.5P TSU24Z6NEX5 5P Center Drills GH6 TSU24Z6NEXA 1.5P 1 1/2-6UNC 7.874 2.323 - 4.016 1.233 0.925 1.125 4 4 TSU24Z8NEX5 5P GH8 TSU24Z8NEXA 1.5P TSU24S5NEX5 5P Centering Tools GH5 TSU24S5NEXA 1.5P 1 1/2-12UNF 7.874 2.323 - 4.016 1.233 0.925 1.125 6 4 TSU24S7NEX5 5P GH7 TSU24S7NEXA 1.5P ANSI HT-12 263