Overall length L Chamfer + full thread ℓt Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ① SP OX Spiral Fluted Taps,Oxidized DIN L ℓt 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) (mm) flutes ① M39 × 2 ISO2 SM039QANEX 2.5P 170 - 20 - 87 32 24 27 4 5 M39 × 1.5 ISO2 SM039OANEX 2.5P 170 - 20 - 87 32 24 27 4 5 M39 × 1 ISO2 SM039MANEX 2.5P 170 - 20 - 87 32 24 27 4 5 M42 × 4.5 ISO2 SG042VANEX 2.5P 200 - 40 - 102 32 24 27 4 5 Spiral Fluted Taps (for through hole) M42 × 2 ISO2 SM042QANEX 2.5P 170 - 20 - 87 32 24 27 4 5 ② M42 × 1.5 ISO2 SM042OANEX 2.5P 170 - 20 - 87 32 24 27 4 5 M42 × 1 ISO2 SM042MANEX 2.5P 170 - 20 - 87 32 24 27 4 5 M45 × 4.5 ISO2 SG045VANEX 2.5P 220 - 45 - 112 36 29 32 4 5 M45 × 3 ISO2 SM045SANEX 2.5P 200 - 40 - 102 36 29 32 4 5 Spiral Pointed Taps (for through hole) ③ M45 × 2 ISO2 SM045QANEX 2.5P 180 - 25 - 92 36 29 32 4 5 M45 × 1.5 ISO2 SM045OANEX 2.5P 180 - 25 - 92 36 29 32 4 5 M45 × 1 ISO2 SM045MANEX 2.5P 180 - 25 - 92 36 29 32 4 5 M48 × 5 ISO2 SG048WANEX 2.5P 250 - 45 - 128 36 29 32 4 5 M48 × 3 Hand Taps ISO2 SM048SANEX 2.5P 225 - 40 - 115 36 29 32 4 5 ④ M48 × 2 ISO2 SM048QANEX 2.5P 190 - 25 - 97 36 29 32 4 5 M48 × 1.5 ISO2 SM048OANEX 2.5P 190 - 25 - 97 36 29 32 4 5 M48 × 1 ISO2 SM048MANEX 2.5P 190 - 25 - 97 36 29 32 4 5 For Unified Threads Cemented Carbide Taps No.4-40UNC 2B SDUN4HXNEX 2.5P 56 5 9 18 34 3.5 2.7 6 2 2 ⑤ No.4-48UNF 2B SDUN4FXNEX 2.5P 56 5 9 18 34 3.5 2.7 6 2 2 No.5-40UNC 2B SDUN5HXNEX 2.5P 56 5 11 18 34 3.5 2.7 6 2 2 No.5-44UNF 2B SDUN5GXNEX 2.5P 56 5 11 18 34 3.5 2.7 6 2 2 No.6-32UNC 2B SDUN6JXNEX 2.5P 56 7 11 19 32 4 3 6 3 2 Roll Taps No.6-40UNF ⑥ 2B SDUN6HXNEX 2.5P 56 7 11 19 32 4 3 6 3 2 No.8-32UNC 2B SDUN8JXNEX 2.5P 63 7 13 21 38 4.5 3.4 6 3 2 No.8-36UNF 2B SDUN8IXNEX 2.5P 63 7 13 21 38 4.5 3.4 6 3 2 No.10-24UNC 2B SDUNAMXNEX 2.5P 70 9 14 24 39 6 4.9 8 3 2 No.10-32UNF 2B SDUNAJXNEX 2.5P 70 9 14 24 39 6 4.9 8 3 2 Special Thread Taps Simple Inspection Tools ⑦ No.12-24UNC 2B SDUNCMXNEX 2.5P 80 9 15 28 45 6 4.9 8 3 2 No.12-28UNF 2B SDUNCKXNEX 2.5P 80 9 15 28 45 6 4.9 8 3 2 1/4-20UNC 2B SDU04NXNEX 2.5P 80 11 15 30 42 7 5.5 8 3 2 1/4-28UNF 2B SDU04KXNEX 2.5P 80 11 15 30 42 7 5.5 8 3 2 Pipe Taps 5/16-18UNC 2B SDU05OXNEX 2.5P 90 - 12 35 47 8 6.2 9 3 4 ⑧ 5/16-24UNF 2B SMU05MXNEX 2.5P 90 - 12 - 46 6 4.9 8 3 5 3/8-16UNC 2B SDU06PXNEX 2.5P 100 - 13 39 54.5 9 7 10 3 4 3/8-24UNF 2B SMU06MXNEX 2.5P 100 - 13 - 51 7 5.5 8 3 5 7/16-14UNC 2B SGU07QXNEX 2.5P 100 - 13 - 51 8 6.2 9 3 5 Thread Mills Premium Thread Mills 7/16-20UNF 2B SMU07NXNEX 2.5P 100 - 13 - 51 8 6.2 9 3 5 ⑨ 1/2-13UNC 2B SGU08RXNEX 2.5P 110 - 15 - 56 9 7 10 3 5 1/2-20UNF 2B SMU08NXNEX 2.5P 100 - 15 - 51 9 7 10 3 5 9/16-12UNC 2B SGU09SXNEX 2.5P 110 - 18 - 56 11 9 12 3 5 9/16-18UNF 2B SMU09OXNEX 2.5P 100 - 14 - 51 11 9 12 3 5 Dies ⑩ 5/8-11UNC 2B SGU10UXNEX 2.5P 110 - 18 - 56 12 9 12 3 5 5/8-18UNF 2B SMU10OXNEX 2.5P 100 - 14 - 51 12 9 12 3 5 3/4-10UNC 2B SGU12VXNEX 2.5P 125 - 20 - 64 14 11 14 4 5 3/4-16UNF 2B SMU12PXNEX 2.5P 110 - 14 - 56 14 11 14 4 5 7/8-9UNC 2B SGU14WXNEX 2.5P 140 - 20 - 71 18 14.5 17 4 5 Center Drills Centering Tools ⑪ 7/8-14UNF 2B SMU14QXNEX 2.5P 125 - 20 - 64 18 14.5 17 4 5 1-8UNC 2B SGU16XXNEX 2.5P 160 - 25 - 82 18 14.5 17 4 5 1 -12UNF 2B SMU16SXNEX 2.5P 140 - 18 - 71 18 14.5 17 4 5 DIN ※ This product is different from JIS products in shape and dimensions, please be careful when using. ①-74