Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk PO OX Spiral Pointed Taps, Oxided Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (for blind hole) Spiral Fluted Taps (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes 1-12UNF 2B PMU16SXNEX 5P 140 27 - 71 18 14.5 17 3 5 1 1/8-7UNC 2B PGU18YXNEX 5P 180 44 - 92 22 18 21 4 5 1 1/8-12UNF 2B PMU18SXNEX 5P 150 27 - 77 22 18 21 4 5 1 1/4-7UNC 2B PGU20YXNEX 5P 180 44 - 92 22 18 21 4 5 (for through hole) Spiral Fluted Taps 1 1/4-12UNF 2B PMU20SXNEX 5P 150 27 - 77 22 18 21 4 5 1 3/8-6UNC 2B PGU22ZXNEX 5P 200 52 - 102 28 20 23 4 5 1 3/8-12UNF 2B PMU22SXNEX 5P 170 29 - 87 28 20 23 4 5 1 1/2-6UNC 2B PGU24ZXNEX 5P 200 52 - 102 32 24 27 4 5 (for through hole) Spiral Pointed Taps 1 1/2-12UNF 2B PMU24SXNEX 5P 170 29 - 87 32 24 27 4 5 1 3/4-5UNC 2B PGU287XNEX 5P 220 66 - 112 36 29 32 4 5 1 3/4-12UN 2B PMU28SXNEX 5P 180 31 - 92 36 29 32 4 5 For G Threads Hand Taps G1/16-28 - PVG0010NEX 5P 90 19 - 46 6 4.9 8 3 5 G1/8-28 - PVG0020NEX 5P 90 19 - 46 7 5.5 8 3 5 ● G1/4-19 - PVG0040NEX 5P 100 21 - 51 11 9 12 3 5 ● G3/8-19 - PVG0060NEX 5P 100 21 - 51 12 9 12 3 5 ● G1/2-14 - PVG0080NEX 5P 125 24 - 64 16 12 15 3 5 ● Carbide Taps Cemented G5/8-14 - PVG0100NEX 5P 125 24 - 64 18 14.5 17 3 5 G3/4-14 - PVG0120NEX 5P 140 27 - 71 20 16 19 4 5 ● G7/8-14 - PVG0140NEX 5P 150 27 - 77 22 18 21 4 5 G1-11 - PVG0160NEX 5P 160 29 - 82 25 20 23 4 5 ● Roll Taps G1 1/8-11 - PVG0180NEX 5P 170 29 - 87 28 22 25 4 5 G1 1/4-11 - PVG0200NEX 5P 170 29 - 87 32 24 27 4 5 G1 1/2-11 - PVG0240NEX 5P 190 31 - 97 36 29 32 4 5 Simple Inspection Tools Special Thread Taps Pipe Taps Thread Mills Dies Center Drills Centering Tools DIN PO-12 125