
| iral Flut | d T | ap Ser | ies | Overall length | Chamf full thr | er + ead | Thread length T | hread+Neck length | Shank length | Sh di | ank a. | Size of square | Length of square | |
| L | ℓ | t | ℓ | ℓn | ℓs | D | s | K | ℓk | |||||
| Size ZET-B Spiral | Class Fluted | Code Taps for T | Chamfer itanium | L (mm) Allo | ℓt (mm) ys | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | No. o flutes | f l Type | Stock |
| For Unified Threads | ||||||||||||||
| NO.4-40UNC | 2BX | SDUN4HYIPN | 3P | 56 | 5 | 9 | 18 | 34 | 3.5 | 2.7 | 6 | 3 | 1 | ● |
| NO.6-32UNC | 2BX | SDUN6JYIPN | 3P | 56 | 7 | 11 | 19 | 32 | 4 | 3 | 6 | 3 | 1 | ● |
| NO.6-40UNF | 2BX | SDUN6HYIPN | 3P | 56 | 7 | 11 | 19 | 32 | 4 | 3 | 6 | 3 | 1 | ● |
| NO.8-32UNC | 2BX | SDUN8JYIPN | 3P | 63 | 7 | 13 | 21 | 38 | 4.5 | 3.4 | 6 | 3 | 1 | ● |
| NO.10-24UNC | 2BX | SDUNAMYIPN | 3P | 70 | 9 | 14 | 24 | 39 | 6 | 4.9 | 8 | 3 | 1 | ● |
| NO.10-32UNF | 2BX | SDUNAJYIPN | 3P | 70 | 9 | 14 | 24 | 39 | 6 | 4.9 | 8 | 3 | 1 | ● |
| 1/4-20UNC | 2BX | SDU04NYIPN | 3P | 80 | 11 | 15 | 30 | 42 | 7 | 5.5 | 8 | 3 | 1 | ● |
| 1/4-28UNF | 2BX | SDU04KYIPN | 3P | 80 | 11 | 15 | 30 | 42 | 7 | 5.5 | 8 | 3 | 1 | ● |
| 5/16-18UNC | 2BX | SDU05OYIPN | 3P | 90 | - | 12 | 35 | 47 | 8 | 6.2 | 9 | 3 | 2 | ● |
| 5/16-24UNF | 2BX | SMU05MYIPN | 3P | 90 | - | 12 | - | 46 | 6 | 4.9 | 8 | 3 | 3 | ● |
| 3/8-16UNC | 2BX | SDU06PYIPN | 3P | 100 | - | 13 | 39 | 54 | 9 | 7 | 10 | 3 | 2 | ● |
| 3/8-24UNF | 2BX | SMU06MYIPN | 3P | 100 | - | 13 | - | 51 | 7 | 5.5 | 8 | 3 | 3 | ● |
| 1/2-13UNC | 2BX | SGU08RYIPN | 3P | 110 | - | 15 | - | 56 | 9 | 7 | 10 | 3 | 4 | ● |
| 1/2-20UNF | 2BX | SMU08NYIPN | 3P | 100 | - | 15 | - | 51 | 9 | 7 | 10 | 3 | 3 | ● |
| 5/8-11UNC | 2BX | SGU10UYIPN | 3P | 110 | - | 18 | - | 56 | 12 | 9 | 12 | 4 | 4 | ● |
| 3/4-10UNC | 2BX | SGU12VYIPN | 3P | 125 | - | 20 | - | 64 | 14 | 11 | 14 | 4 | 4 | ● |