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 Hand Taps 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 TSU08R5NEB5 5P 1/2-13UNC GH5 4.331 1.024 - 2.205 0.367 0.275 0.437 4 4 TSU08R5NEBA 1.5P TSU08N3NEB5 5P GH3 (for through hole) Spiral Fluted Taps TSU08N3NEBA 1.5P TSU08N4NEB5 5P 1/2-20UNF GH4 4.331 1.024 - 2.205 0.367 0.275 0.437 4 4 TSU08N4NEBA 1.5P TSU08N5NEB5 5P GH5 TSU08N5NEBA 1.5P (for through hole) Spiral Pointed Taps TSU09S3NEB5 5P GH3 TSU09S3NEBA 1.5P TSU09S4NEB5 5P 9/16-12UNC GH4 4.331 1.024 - 2.205 0.429 0.322 0.5 4 4 TSU09S4NEBA 1.5P TSU09S5NEB5 5P Hand Taps GH5 TSU09S5NEBA 1.5P TSU09O3NEB5 5P GH3 TSU09O3NEBA 1.5P TSU09O4NEB5 5P Carbide Taps Cemented 9/16-18UNF GH4 4.331 1.024 - 2.205 0.429 0.322 0.5 4 4 TSU09O4NEBA 1.5P TSU09O5NEB5 5P GH5 TSU09O5NEBA 1.5P TSU10U3NEB5 5P Roll Taps GH3 TSU10U3NEBA 1.5P TSU10U4NEB5 5P GH4 TSU10U4NEBA 1.5P 5/8-11UNC 4.331 1.024 - 2.205 0.48 0.36 0.562 4 4 TSU10U5NEB5 5P GH5 Simple Inspection Tools Pipe Taps TSU10U5NEBA 1.5P TSU10U6NEB5 5P GH6 TSU10U6NEBA 1.5P TSU10O3NEB5 5P GH3 TSU10O3NEBA 1.5P TSU10O4NEB5 5P 5/8-18UNF GH4 4.331 1.024 - 2.205 0.48 0.36 0.562 4 4 TSU10O4NEBA 1.5P TSU10O5NEB5 5P GH5 TSU10O5NEBA 1.5P Thread Mills TSU12V3NEB5 5P GH3 TSU12V3NEBA 1.5P TSU12V5NEB5 5P 3/4-10UNC GH5 4.921 1.299 - 2.52 0.59 0.442 0.687 4 4 TSU12V5NEBA 1.5P Dies TSU12V6NEB5 5P GH6 TSU12V6NEBA 1.5P TSU12P3NEB5 5P GH3 TSU12P3NEBA 1.5P TSU12P4NEB5 5P Center Drills 3/4-16UNF GH4 4.921 1.299 - 2.52 0.59 0.442 0.687 4 4 TSU12P4NEBA 1.5P TSU12P5NEB5 5P GH5 TSU12P5NEBA 1.5P TSU14W5NEB5 5P Centering Tools GH5 TSU14W5NEBA 1.5P 7/8-9UNC 5.512 1.299 - 2.795 0.697 0.523 0.75 4 4 TSU14W6NEB5 5P GH6 TSU14W6NEBA 1.5P ANSI HT-6 257