Overall Chamfer + Thread Thread+Neck Shank Shank Size of Length of length full thread length length length dia. square square L ℓt ℓ ℓn ℓs Ds K ℓk SP Spiral Fluted Taps Size Class Code Chamfer L ℓt ℓ ℓn ℓs Ds K ℓk No. of Type Stock (for blind hole) Spiral Fluted Taps (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes M36 × 1.5 ISO2 SM036OANEB 2.5P 170 - 20 - 87 28 22 25 4 5 M36 × 1 ISO2 SM036MANEB 2.5P 170 - 20 - 87 28 22 25 4 5 M39 × 4 ISO2 SG039UANEB 2.5P 200 - 40 - 102 32 24 27 4 6 ● M39 × 2 ISO2 SM039QANEB 2.5P 170 - 20 - 87 32 24 27 4 5 (for through hole) Spiral Fluted Taps M39 × 1.5 ISO2 SM039OANEB 2.5P 170 - 20 - 87 32 24 27 4 5 M39 × 1 ISO2 SM039MANEB 2.5P 170 - 20 - 87 32 24 27 4 5 M42 × 4.5 ISO2 SG042VANEB 2.5P 200 - 40 - 102 32 24 27 4 6 ● M42 × 2 ISO2 SM042QANEB 2.5P 170 - 20 - 87 32 24 27 4 5 (for through hole) Spiral Pointed Taps M42 × 1.5 ISO2 SM042OANEB 2.5P 170 - 20 - 87 32 24 27 4 5 M42 × 1 ISO2 SM042MANEB 2.5P 170 - 20 - 87 32 24 27 4 5 M45 × 4.5 ISO2 SG045VANEB 2.5P 220 - 45 - 112 36 29 32 4 6 ● M45 × 3 ISO2 SM045SANEB 2.5P 200 - 40 - 102 36 29 32 4 5 M45 × 2 ISO2 SM045QANEB 2.5P 180 - 25 - 92 36 29 32 4 5 Hand Taps M45 × 1.5 ISO2 SM045OANEB 2.5P 180 - 25 - 92 36 29 32 4 5 M45 × 1 ISO2 SM045MANEB 2.5P 180 - 25 - 92 36 29 32 4 5 M48 × 5 ISO2 SG048WANEB 2.5P 250 - 45 - 128 36 29 32 4 6 ● M48 × 3 ISO2 SM048SANEB 2.5P 225 - 40 - 115 36 29 32 4 5 Carbide Taps Cemented M48 × 2 ISO2 SM048QANEB 2.5P 190 - 25 - 97 36 29 32 4 5 M48 × 1.5 ISO2 SM048OANEB 2.5P 190 - 25 - 97 36 29 32 4 5 M48 × 1 ISO2 SM048MANEB 2.5P 190 - 25 - 97 36 29 32 4 5 Size Class Code Chamfer L ℓt ℓ ℓn ℓs Ds K ℓk No. of Type Stock Roll Taps (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Unified Threads No.4-40UNC 2B SDUN4HXNEB 2.5P 56 5 9 18 34 3.5 2.7 6 2 2 ● No.4-48UNF 2B SDUN4FXNEB 2.5P 56 5 9 18 34 3.5 2.7 6 2 2 No.5-40UNC 2B SDUN5HXNEB 2.5P 56 5 11 18 34 3.5 2.7 6 2 2 Simple Inspection Tools Special Thread Taps No.5-44UNF 2B SDUN5GXNEB 2.5P 56 5 11 18 34 3.5 2.7 6 2 2 No.6-32UNC 2B SDUN6JXNEB 2.5P 56 7 11 19 32 4 3 6 3 2 ● No.6-40UNF 2B SDUN6HXNEB 2.5P 56 7 11 19 32 4 3 6 3 2 ● No.8-32UNC 2B SDUN8JXNEB 2.5P 63 7 13 21 38 4.5 3.4 6 3 2 ● Pipe Taps No.8-36UNF 2B SDUN8IXNEB 2.5P 63 7 13 21 38 4.5 3.4 6 3 2 No.10-24UNC 2B SDUNAMXNEB 2.5P 70 9 14 24 39 6 4.9 8 3 2 ● No.10-32UNF 2B SDUNAJXNEB 2.5P 70 9 14 24 39 6 4.9 8 3 2 ● No.12-24UNC 2B SDUNCMXNEB 2.5P 80 9 15 28 45 6 4.9 8 3 2 No.12-28UNF 2B SDUNCKXNEB 2.5P 80 9 15 28 45 6 4.9 8 3 2 Thread Mills 1/4-20UNC 2B SDU04NXNEB 2.5P 80 11 15 30 42 7 5.5 8 3 2 ● 1/4-28UNF 2B SDU04KXNEB 2.5P 80 11 15 30 42 7 5.5 8 3 2 ● 5/16-18UNC 2B SDU05OXNEB 2.5P 90 - 12 35 47 8 6.2 9 3 4 ● 5/16-24UNF 2B SMU05MXNEB 2.5P 90 - 12 - 46 6 4.9 8 3 5 ● Dies 3/8-16UNC 2B SDU06PXNEB 2.5P 100 - 13 39 54 9 7 10 3 4 ● 3/8-24UNF 2B SMU06MXNEB 2.5P 100 - 13 - 51 7 5.5 8 3 5 ● 7/16-14UNC 2B SGU07QXNEB 2.5P 100 - 13 - 51 8 6.2 9 3 6 ● 7/16-20UNF 2B SMU07NXNEB 2.5P 100 - 13 - 51 8 6.2 9 3 5 ● Center Drills 1/2-13UNC 2B SGU08RXNEB 2.5P 110 - 15 - 56 9 7 10 3 6 ● 1/2-20UNF 2B SMU08NXNEB 2.5P 100 - 15 - 51 9 7 10 3 5 ● 9/16-12UNC 2B SGU09SXNEB 2.5P 110 - 18 - 56 11 9 12 3 6 ● 9/16-18UNF 2B SMU09OXNEB 2.5P 100 - 14 - 51 11 9 12 3 5 ● 5/8-11UNC 2B SGU10UXNEB 2.5P 110 - 18 - 56 12 9 12 3 6 ● Centering Tools 5/8-18UNF 2B SMU10OXNEB 2.5P 100 - 14 - 51 12 9 12 3 5 ● 3/4-10UNC 2B SGU12VXNEB 2.5P 125 - 20 - 64 14 11 14 4 6 ● DIN SP-4 55