Straight Fluted Tap Series HT Straight Fluted and Hand Tap Spiral Fluted Taps (for blind hole) Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes 1-8UNC 2B TGU16XXNEBC 2.5P 160 37 - 82 18 14.5 17 4 9 1-12UNF 2B TMU16SXNEBC 2.5P 140 27 - 71 18 14.5 17 4 11 1 1/8-7UNC 2B TGU18YXNEBC 2.5P 180 44 - 92 22 18 21 4 9 Spiral Fluted Taps (for through hole) 1 1/8-12UNF 2B TMU18SXNEBC 2.5P 150 27 - 77 22 18 21 4 11 1 1/4-7UNC 2B TGU20YXNEBC 2.5P 180 44 - 92 22 18 21 4 9 1 1/4-12UNF 2B TMU20SXNEBC 2.5P 150 27 - 77 22 18 21 4 11 1 3/8-6UNC 2B TGU22ZXNEBC 2.5P 200 52 - 102 28 22 25 4 9 Spiral Pointed Taps (for through hole) 1 3/8-12UNF 2B TMU22SXNEBC 2.5P 170 29 - 87 28 22 25 4 11 1 1/2-6UNC 2B TGU24ZXNEBC 2.5P 200 52 - 102 32 24 27 4 9 1 1/2-12UNF 2B TMU24SXNEBC 2.5P 170 29 - 87 32 24 27 4 11 1 3/4-5UNC 2B TGU287XNEBC 2.5P 220 66 - 112 36 29 32 4 9 1 3/4-12UN 2B TMU28SXNEBC 2.5P 180 31 - 92 36 29 32 4 11 Straight Fluted Taps Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Whitworth Threads TPW1HF0NEB2 F 36 10 - 21 2.8 2.1 5 3 2 Cemented Carbide Taps 3/32W48 - TPW1HF0NEBU M 36 10 - 21 2.8 2.1 5 3 2 TPW1HF0NEB5 V 36 10 - 21 2.8 2.1 5 3 2 TPW02H0NEB2 F 40 11 - 25 3.5 2.7 6 3 2 1/8W40 - TPW02H0NEBU M 40 11 - 25 3.5 2.7 6 3 2 TPW02H0NEB5 V 40 11 - 25 3.5 2.7 6 3 2 Roll Taps TPW2HJ0NEB2 F 45 13 - 27 4.5 3.4 6 3 2 5/32W32 - TPW2HJ0NEBU M 45 13 - 27 4.5 3.4 6 3 2 TPW2HJ0NEB5 V 45 13 - 27 4.5 3.4 6 3 2 TPW03M0NEB2 F 50 17 - 26 5.5 4.3 7 3 2 Special Thread Taps Simple Inspection Tools 3/16W24 - TPW03M0NEBU M 50 17 - 26 5.5 4.3 7 3 2 TPW03M0NEB5 V 50 17 - 26 5.5 4.3 7 3 2 TPW04N0NEB2 F 56 21 - - 6 4.9 8 3 6 1/4W20 - TPW04N0NEBU M 56 21 - - 6 4.9 8 3 6 Pipe Taps TPW04N0NEB5 V 56 21 - - 6 4.9 8 3 6 TPW05O0NEB2 F 63 19 - 32 6 4.9 8 4 10 5/16W18 - TPW05O0NEBU M 63 19 - 32 6 4.9 8 4 10 TPW05O0NEB5 V 63 19 - 32 6 4.9 8 4 10 TPW06P0NEB2 F 70 23 - 36 7 5.5 8 4 10 Thread Mills 3/8W16 - TPW06P0NEBU M 70 23 - 36 7 5.5 8 4 10 TPW06P0NEB5 V 70 23 - 36 7 5.5 8 4 10 TPW07Q0NEB2 F 70 23 - 36 8 6.2 9 4 10 7/16W14 - TPW07Q0NEBU M 70 23 - 36 8 6.2 9 4 10 Dies TPW07Q0NEB5 V 70 23 - 36 8 6.2 9 4 10 TPW08S0NEB2 F 80 26 - 41 9 7 10 4 10 1/2W12 - TPW08S0NEBU M 80 26 - 41 9 7 10 4 10 TPW08S0NEB5 V 80 26 - 41 9 7 10 4 10 Center Drills TPW09S0NEB2 F 80 26 - 41 11 9 12 4 10 9/16W12 - TPW09S0NEBU M 80 26 - 41 11 9 12 4 10 TPW09S0NEB5 V 80 26 - 41 11 9 12 4 10 TPW10U0NEB2 F 90 26 - 46 12 9 12 4 10 5/8W11 - TPW10U0NEBU M 90 26 - 46 12 9 12 4 10 Centering Tools TPW10U0NEB5 V 90 26 - 46 12 9 12 4 10 TPW12V0NEB2 F 95 33 - 48 14 11 14 4 10 3/4W10 - TPW12V0NEBU M 95 33 - 48 14 11 14 4 10 TPW12V0NEB5 V 95 33 - 48 14 11 14 4 10 DIN HT-9 142