
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 DIN L ℓ ℓn ℓs Ds K ℓk No. of TYPE Size Class Code Chamfer Spiral Fluted Taps (for blind hole) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes ① M12 × 1.75 ISO2X 3102101088 5P 110 26 - 56 9 7 10 3 4 M12 × 1.5 ISO2X 3102101089 5P 100 21 - 51 9 7 10 3 4 M12 × 1.25 ISO2X 3102101090 5P 100 21 - 51 9 7 10 3 4 M14 × 2 ISO2X 3102101100 5P 110 26 - 56 11 9 12 3 4 Spiral Fluted Taps (for through hole) M14 × 1.5 ISO2X 3102101102 5P 100 21 - 51 11 9 12 3 4 ② M16 × 2 ISO2X 3102101114 5P 110 26 - 56 12 9 12 3 4 M16 × 1.5 ISO2X 3102101116 5P 100 21 - 51 12 9 12 3 4 M18 × 2.5 ISO2X 3102101128 5P 125 33 - 64 14 11 14 3 4 M18 × 1.5 ISO2X 3102101130 5P 110 24 - 56 14 11 14 3 4 Spiral Pointed Taps (for through hole) ③ M20 × 2.5 ISO2X 3102101141 5P 140 33 - 71 16 12 15 3 4 M20 × 1.5 ISO2X 3102101144 5P 125 24 - 64 16 12 15 3 4 M22 × 2.5 ISO2X 3102101156 5P 140 33 - 71 18 14.5 17 3 4 M22 × 1.5 ISO2X 3102101158 5P 125 24 - 64 18 14.5 17 3 4 M24 × 3 Hand Taps ISO2X 3102101167 5P 160 37 - 82 18 14.5 17 3 4 ④ M24 × 1.5 ISO2X 3102101170 5P 140 27 - 71 18 14.5 17 3 4 For Unified Threads No.5-40UNC 2BX 3102103021 5P 56 11 18 34 3.5 2.7 6 2 2 No.5-44UNF 2BX 3102103022 5P 56 11 18 34 3.5 2.7 6 2 2 Cemented Carbide Taps No.6-32UNC 2BX 3102103023 5P 56 11 19 32 4 3 6 2 2 ⑤ No.6-40UNF 2BX 3102103024 5P 56 11 19 32 4 3 6 2 2 No.8-32UNC 2BX 3102103029 5P 63 13 21 38 4.5 3.4 6 2 2 No.8-36UNF 2BX 3102103030 5P 63 13 21 38 4.5 3.4 6 2 2 No.10-24UNC 2BX 3102103039 5P 70 14 24 39 6 4.9 8 2 2 Roll Taps No.10-32UNF ⑥ 2BX 3102103041 5P 70 14 24 39 6 4.9 8 2 2 No.12-24UNC 2BX 3102103047 5P 80 15 28 45 6 4.9 8 2 2 No.12-28UNF 2BX 3102103048 5P 80 15 28 45 6 4.9 8 2 2 1/4-20UNC 2BX 3102103058 5P 80 15 30 42 7 5.5 8 3 2 1/4-28UNF 2BX 3102103062 5P 80 15 30 42 7 5.5 8 3 2 Special Thread Taps Simple Inspection Tools ⑦ 5/16-18UNC 2BX 3102103071 5P 90 19 35 47 8 6.2 9 3 3 5/16-24UNF 2BX 3102103074 5P 90 19 - 46 6 4.9 8 3 4 3/8-16UNC 2BX 3102103082 5P 100 23 39 54 9 7 10 3 3 3/8-24UNF 2BX 3102103085 5P 100 23 - 51 7 5.5 8 3 4 Pipe Taps 7/16-14UNC 2BX 3102103098 5P 100 23 - 51 8 6.2 9 3 4 ⑧ 7/16-20UNF 2BX 3102103101 5P 100 23 - 51 8 6.2 9 3 4 1/2-13UNC 2BX 3102103111 5P 110 26 - 56 9 7 10 3 4 1/2-20UNF 2BX 3102103115 5P 100 21 - 51 9 7 10 3 4 9/16-12UNC 2BX 3102103126 5P 110 26 - 56 11 9 12 3 4 Thread Mills Premium Thread Mills 9/16-18UNF 2BX 3102103129 5P 100 21 - 51 11 9 12 3 4 ⑨ 5/8-11UNC 2BX 3102103138 5P 110 26 - 56 12 9 12 3 4 5/8-18UNF 2BX 3102103142 5P 100 21 - 51 12 9 12 3 4 3/4-10UNC 2BX 3102103161 5P 125 33 - 64 14 11 14 3 4 3/4-16UNF 2BX 3102103164 5P 110 24 - 56 14 11 14 3 4 Dies ⑩ 7/8-9UNC 2BX 3102103181 5P 140 33 - 71 18 14.5 17 3 4 7/8-14UNF 2BX 3102103184 5P 125 24 - 64 18 14.5 17 3 4 Center Drills Centering Tools ⑪ DIN ※ This product is different from JIS products in shape and dimensions, please be careful when using. ③-10