
Size Class Code Chamfer L ℓt ℓ ℓn ℓs Ds K ℓk No. of Type
flutes Stock
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
ISO2 SM036OANEB 2.5P 170 - 20 - 87 28 22 25 4 5
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
ISO2 SM039QANEB 2.5P 170 - 20 - 87 32 24 27 4 5
ISO2 SM039OANEB 2.5P 170 - 20 - 87 32 24 27 4 5
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
ISO2 SM042QANEB 2.5P 170 - 20 - 87 32 24 27 4 5
ISO2 SM042OANEB 2.5P 170 - 20 - 87 32 24 27 4 5
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
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
ISO2 SM045OANEB 2.5P 180 - 25 - 92 36 29 32 4 5
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
ISO2 SM048SANEB 2.5P 225 - 40 - 115 36 29 32 4 5
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
| 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 | ||
| (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 | |
| 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 | ● |
| 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 | |
| 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 | ● |
| 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 | ● |
| 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 | ● |
| 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 | ● |