UNF Thread ANSI B1.1
UNF - Unified National Fine Thread - Унифицированная мелкая резьба.
Типоразмер | Наружный диаметр, дюймов | Наружный диаметр, мм | Диаметр сверления, мм mm |
Чило витков на дюйм | Шаг, мм |
N 0 - 80 UNF | 0,060 | 1,524 | 1,25 | 80 | 0,317 |
N 1 - 72 UNF | 0,073 | 1,854 | 1,55 | 72 | 0,353 |
N 2 - 64 UNF | 0,068 | 2,184 | 1,90 | 64 | 0,397 |
N 3 - 56 UNF | 0,099 | 2,515 | 2,15 | 56 | 0,453 |
N 4 - 48 UNF | 0,112 | 2,845 | 2,40 | 48 | 0,529 |
N 5 - 44 UNF | 0,125 | 3,175 | 2,70 | 44 | 0,577 |
N 6 - 40 UNF | 0,138 | 3,505 | 2,95 | 40 | 0,635 |
N 8 - 36 UNF | 0,164 | 4,166 | 3,50 | 36 | 0,705 |
N 10 - 32 UNF | 0,190 | 4,826 | 4,10 | 32 | 0,794 |
N 12 - 28 UNF | 0,216 | 5,486 | 4,70 | 28 | 0,907 |
1/4" - 28 UNF | 0,250 | 6,350 | 5,50 | 28 | 0,907 |
5/16" - 24 UNF | 0,313 | 7,938 | 6,90 | 24 | 1,058 |
3/8" - 24 UNF | 0,375 | 9,525 | 8,50 | 24 | 1,058 |
7/16" - 20 UNF | 0,438 | 11,112 | 9,90 | 20 | 1,270 |
1/2" - 20 UNF | 0,500 | 12,700 | 11,50 | 20 | 1,270 |
9/16" - 18 UNF | 0,563 | 14,288 | 12,90 | 18 | 1,411 |
5/8" - 18 UNF | 0,625 | 15,875 | 14,50 | 18 | 1,411 |
3/4" - 16 UNF | 0,750 | 19,050 | 17,50 | 16 | 1,587 |
7/8" - 14 UNF | 0,875 | 22,225 | 20,40 | 14 | 1,814 |
1" - 12 UNF | 1,000 | 25,400 | 23,25 | 12 | 2,117 |
1 1/8" - 12 UNF | 1,125 | 28,575 | 26,50 | 12 | 2,117 |
1 1/4" - 12 UNF | 1,250 | 31,750 | 29,50 | 12 | 2,117 |
1 3/8" - 12 UNF | 1,375 | 34,925 | 32,75 | 12 | 2,117 |
1 1/2" - 12 UNF | 1,500 | 38,100 | 36,00 | 12 | 2,117 |