UNF
Плашки кръгли DIN EN 22568 (DIN 223)
за унифицирана ситна резба по ANSI B1.1
Форма В
| Означение | P - брой навивки в 1" | D mm | L mm | Брой на перата - Z | Артикулен номер |
| UNF Nr.4 | 48 | 20 | 5 | 3 | 6211 UNF Nr.4 x 48 |
| UNF Nr.5 | 44 | 20 | 5 | 3 | 6211 UNF Nr.5 x 44 |
| UNF Nr.6 | 40 | 20 | 5 | 3 | 6211 UNF Nr.6 x 40 |
| UNF Nr.8 | 36 | 20 | 7 | 3 | 6211 UNF Nr.8 x 36 |
| UNF Nr.10 | 32 | 20 | 7 | 3 | 6211 UNF Nr.10 x 32 |
| UNF Nr.12 | 28 | 20 | 7 | 4 | 6211 UNF Nr.12 x 28 |
| UNF1/4 | 28 | 20 | 7 | 4 | 6211 UNF 1/4x28 |
| UNF5/16 | 24 | 25 | 9 | 4 | 6211 UNF 5/16x24 |
| UNF3/8 | 24 | 30 | 11 | 4 | 6211 UNF 3/8x24 |
| UNF7/16 | 20 | 30 | 11 | 4 | 6211 UNF 7/16x20 |
| UNF1/2 | 20 | 38 | 10 | 5 | 6211 UNF 1/2x20 |
| UNF9/16 | 18 | 38 | 10 | 5 | 6211 UNF 9/16x18 |
| UNF5/8 | 18 | 45 | 14 | 5 | 6211 UNF 5/8x18 |
| UNF3/4 | 16 | 45 | 14 | 5 | 6211 UNF 3/4x16 |
| UNF7/8 | 14 | 55 | 16 | 6 | 6211 UNF 7/8x14 |
| UNF1 | 12 | 55 | 16 | 6 | 6211 UNF 1x12 |
| UNF1 | 14 | 55 | 16 | 6 | 6211 UNF 1x14 |
| UNF1.1/8 | 12 | 65 | 18 | 6 | 6211 UNF 1.1/8x12 |
| UNF1.1/4 | 12 | 65 | 18 | 6 | 6211 UNF 1.1/4x12 |
| UNF1.3/8 | 12 | 65 | 18 | 7 | 6211 UNF 1.3/8x12 |
| UNF1.1/2 | 12 | 65 | 18 | 8 | 6211 UNF 1.1/2x12 |
| UNF1.1/2 | 12 | 75 | 20 | 8 | 6211 UNF 1.1/2x12-1 |