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Rosca Série Polegada - Sistema Unificado Americano

Rosca Série Polegada - Sistema Unificado Americano

REFERÊNCIA
ASME B1.1 - 2003

Diâmetro
Nominal
nº fios-série
Rosca Externa
Rosca Interna
Classe
Diâmetro Maior
Diâmetro Primitivo
Diâmetro
Menor
Classe
Diâmetro Menor
Diâmetro Primitivo
Diâmetro
Maior
máx.
min.
máx.
min.
máx.
min.
máx.
min.
máx.
min.
Nº 5
40 UNC
2A
3,154
3,026
2,743
2,678
2,398
2B
2,487
2,697
2,764
2,847
3,175
3A
3,175
3,046
2,763
2,716
2,418
3B
2,487
2,697
2,764
2,827
3,175
Nº 5
44 UNF
2A
3,157
3,036
2,781
2,781
2,469
2B
2,551
2,740
2,800
2,880
3,175
3A
3,175
3,054
2,799
2,751
2,487
3B
2,551
2,740
2,800
2,860
3,175
Nº 6
32 UNC
2A
3,484
3,333
2,969
2,899
2,540
2B
2,642
2,895
2,990
3,083
3,506
3A
3,505
3,353
2,989
2,937
2,560
3B
2,642
2,895
2,990
3,058
3,506
Nº 6
40 UNF
2A
3,484
3,356
3,073
3,008
2,728
2B
2,820
3,022
3,094
3,180
3,506
3A
3,505
3,376
3,093
3,043
2,748
3B
2,820
3,012
3,094
3,157
3,506
Nº 8
32 UNC
2A
4,142
3,991
3,627
3,554
3,198
2B
3,302
3,530
3,650
3,746
4,166
3A
4,165
4,014
3,649
3,595
3,221
3B
3,302
3,528
3,650
3,721
4,166
Nº 8
36 UNF
2A
4,145
4,006
3,688
3,617
3,305
2B
3,404
3,606
3,709
3,799
4,166
3A
4,165
4,026
3,708
3,656
3,325
3B
3,404
3,596
3,709
3,776
4,166
Nº 10
24 UNC
2A
4,800
4,618
4,112
4,029
3,541
2B
3,683
3,962
4,138
4,246
4,826
3A
4,826
4,644
4,137
4,075
3,566
3B
3,683
3,949
4,138
4,218
4,826
Nº 10
32 UNF
2A
4,803
4,651
4,287
4,212
3,858
2B
3,963
4,165
4,311
4,409
4,826
3A
4,826
4,674
4,310
4,252
3,881
3B
3,963
4,168
4,311
4,384
4,826
Nº 12
24 UNC
2A
5,461
5,279
4,772
4,687
4,201
2B
4,344
4,597
4,799
4,909
5,487
3A
5,486
5,304
4,798
4,733
4,227
3B
4,344
4,589
4,799
4,881
5,487
Nº 12
28 UNF
2A
5,461
5,296
4,871
4,791
4,379
2B
4,496
4,724
4,898
5,003
5,487
3A
5,486
5,322
4,897
4,837
4,404
3B
4,496
4,716
4,898
4,975
5,487
1/4"
20 UNC
2A
6,322
6,117
5,496
5,403
4,811
2B
4,979
5,257
5,55
5,648
6,350
3A
6,350
6,145
5,524
5,454
4,839
3B
4,979
5,250
5,525
5,615
6,350
1/4"
28 UNF
2A
6,324
6,160
5,735
5,652
5,243
2B
5,360
5,588
5,761
5,869
6,350
3A
6,350
6,185
5,760
5,698
5,268
3B
5,360
5,562
5,761
5,842
6,350
5/16"
18 UNC
2A
7,907
7,687
6,990
6,889
6,228
2B
6,401
6,731
7,021
7,155
7,938
3A
7,927
7,717
7,020
6,945
6,259
3B
6,401
6,680
7,021
7,119
7,938
5/16"
24 UNF
2A
7,909
7,727
7,221
7,128
6,650
2B
6,782
7,035
7,251
7,371
7,938
3A
7,937
7,755
7,249
7,181
6,678
3B
6,782
6,995
7,250
7,340
7,938
3/8"
16 UNC
2A
9,491
9,254
8,460
8,349
7,600
2B
7,798
8,153
8,494
8,638
9,525
3A
9,525
9,287
8,493
8,410
7,633
3B
7,798
8,082
8,494
8,602
9,525
3/8"
24 UNF
2A
9,497
9,315
8,808
8,713
8,223
2B
8,382
8,636
8,837
8,961
9,525
3A
9,525
9,343
8,836
8,763
8,265
3B
8,382
8,564
8,837
8,930
9,525
7/16"
14 UNC
2A
11,076
10,816
9,898
9,779
8,918
2B
9,144
9,550
9,934
10,088
11,113
3A
11,112
10,851
9,933
9,846
8,954
3B
9,144
9,441
9,934
10,050
11,113
7/16"
20 UNF
2A
11,079
10,874
10,254
10,147
9,568
2B
9,729
10,033
10,287
10,424
11,113
3A
11,112
10,907
10,287
10,208
9,601
3B
9,729
9,946
10,287
10,391
11,113
1/2"
13 UNC
2A
12,661
12,386
11,392
11,265
8,430
2B
10,592
11,023
11,430
11,595
12,700
3A
12,700
12,424
11,430
11,336
8,468
3B
10,592
10,881
11,430
11,551
12,700
1/2"
20 UNF
2A
12,666
12,462
11,841
11,732
11,156
2B
11,329
11,607
11,875
1,016
12,700
3A
12,700
12,495
11,874
11,793
11,189
3B
11,329
11,523
11,875
11,981
12,700
9/16"
12 UNC
2A
14,246
13,958
12,873
12,741
11,727
2B
11,989
12,446
12,914
13,086
14,288
3A
14,287
13,998
12,913
12,814
11,768
3B
11,989
12,301
12,914
13,042
14,288
9/16"
18 UNF
2A
14,251
14,031
13,335
13,221
12,573
2B
12,751
13,081
13,371
13,520
14,288
3A
14,287
14,067
13,370
13,285
12,609
3B
12,751
12,969
13,371
13,482
14,288
5/8"
11 UNC
2A
15,834
15,528
14,335
14,197
13,086
2B
13,386
13 ,868
14,377
14,559
15,875
3A
15,875
15,568
14,376
14,273
13,127
3B
13,386
13,693
14,377
14,513
15,875
5/8"
18 UNF
2A
15,839
15,619
14,922
14,804
14,161
2B
14,351
14,681
14,959
15,110
15,875
3A
15,875
15,655
14,958
14,870
14,196
3B
14,351
14,554
14,959
15,072
15,875
3/4"
10 UNC
2A
19,004
18,677
17,353
17,204
15,979
2B
16,307
16,840
17,399
17,594
19,050
3A
19,050
18,273
17,399
17,288
16,025
3B
16,307
16,624
17,399
17,543
19,050
3/4"
16 UNF
2A
19,011
18,774
17,980
17,854
17,120
2B
17,323
17,678
18,019
18,183
19,050
3A
19,050
18,812
18,018
17,923
17,158
3B
17,323
17,546
18,019
18,143
19,050
7/8"
9 UNC
2A
22,176
21,824
20,342
20,183
18,816
2B
19,177
19,761
20,392
20,599
22,225
3A
22,225
21,872
20,391
20,272
18,865
3B
19,177
19,509
20,392
20,546
22,225
7/8"
14 UNF
2A
22,184
21,923
21,005
20,869
20,025
2B
20,270
20,675
21,047
21,224
22,225
3A
22,225
21,964
21,046
20,943
20,066
3B
20,270
20,492
21,047
21,181
22,225
1 - 8 UNC
2A
25,349
24,969
23,286
23,114
21,570
2B
21,971
22,606
23,338
23,561
25,400
3A
25,400
25,019
23,337
23,208
21,620
3B
21,971
22,344
23,338
23,505
25,440
1 - 12 UNF
2A
25,254
25,065
23,980
23,831
22,835
2B
23,114
23,571
24,026
24,218
25,400
3A
25,400
25,111
24,025
23,915
22,880
3B
23,114
23,362
24,026
24,170
25,400

Diâmetro
Nominal
nº fios-série
Rosca Externa
Rosca Interna
Classe
Diâmetro Maior
Diâmetro Primitivo
Diâmetro
Menor
Classe
Diâmetro Menor
Diâmetro Primitivo
Diâmetro
Maior
máx.
min.
máx.
min.
máx.
min.
máx.
min.
máx.
min.

1.1/8''
7 UNC

 2A 28,519 28,103 26,162 25,980 24,199 2B 24,638 25,349 26,218 26,456 28,575
3A 28,575 28,159 26,217 26,081 24,254 3B 24,638 25,082 26,218 26,398 28,575

1.1/8''

8 UN

 2A 25,521 28,141 26,459 26,284 24,742 2B 25,146 25,781 26,513 26,741 28,575
3A 28,575 26,194 26,512 26,381 24,795 3B 25,146 25,519 26,513 26,682 28,575

1.1/8''

12 UNF

 2A 28,529 28,240 27,155 27,003 26,010 2B 26,269 26,746 27,201 27,398 28,575
3A 28,575 28,286 27,200 27,087 26,055 3B 26,289 26,537 27,201 27,350 28,575

1.1/4''

7 UNC

 2A 31,694 31,278 29,337 29,150 27,374 2A 27,813 28,524 29,393 29,636 31,750
3A 31,750 31,334 29,392 29,254 27,429 3B 27,813 28,257 29,393 29,575 31,750

1.1/4''

8 UN

 2A 31,696 31,316 29,634 29,457 27,917 2B 28,321 28,956 29,688 29,921 31,750
3A 31,750 31,369 29,687 29,553 27,970 3B 28,321 28,694 29,688 29,862 31,750

1.1/4''

12 UNF

 2A 31,704 31,415 30,330 30,173 29,185 2B 29,464 29,921 30,376 30,579 31,750
3A 31,750 31,461 30,375 30,260 29,230 3B 29,464 29,712 30,376 30,528 31,750

1.3/8''

6 UNC

 2A 34,864 34,402 32,113 31,911 29,825 2B 30,353 31,115 32,175 32,438

34,925
3A 34,925 34,463 32,174 32,022 29,886 3B 30,353 30,850 32,175 32,372 34,925

1.3/8''

8 UN

 2A 34,869 34,489 32,806 32,624 31,090 2B 31,496 32,131 32,863 33,098 34,925
3A 34,925 34,544 32,862 32,726 31,145 3B 31,496 31,869 32,863 33,040 34,925

1.3/8''

12 UNF

 2A 34,876 34,588 33,502 33,343 32,357 2B 32,639 33,096 33,551 33,759 34,925
3A 34,925 34,636 33,550 33,432 32,405 3B 32,639 32,887 33,551 33,705 34,925

1.1/2''

6 UNC

 2A 38,039 37,577 35,288 35,083 33,000 2B 33,528 34,290 35,350 35,615 38,100
3A 38,100 37,638 35,349 35,195 33,061 3B 33,528 34,025 35,350 35,549 38,100

1.1/2''

8 UN

 2A 38,044 37,664 35,981 35,797 34,265 2B 34,671 35,306 36,038 36,278 38,100
3A 38,100 37,719 36,037 35,898 34,320 3B 34,671 35,044 36,038 36,217 38,100

1.1/2''

12 UNF

 2A 38,051 37,763 36,677 36,516 35,532 2B 35,814 36,271 36,726 36,936 38,100
3A 38,100 37,811 36,725 36,604 35,580 3B 35,814 36,062 36,726 36,855 38,100

1.5/8''

8 UN

 2A 41,219 40,839 39,156 38,696 37,551 2B 37,846 38,481 39,213 39,458 41,275
3A 41,275 40,894 39,212 39,071 37,607 3B 37,846 38,219 39,213 39,395 41,275

1.3/4''

5 UNC

 2A 44,381 43,861 41,081 40,856 38,334 2B 38,964 39,827 41,151 41,445 44,450
3A 44,450 43,930 41,150 40,981 38,403 3B 38,964 39,560 41,151 41,371 44,450

1.3/4''

8 UN

 2A 44,391 44,011 42,329 42,139 40,612 2B 41,021 41,656 42,388 42,536 44,450
3A 44,450 44,069 42,387 42,243 40,670 3B 41,021 41,394 42,388 42,575 44,450

1.7/8''

8 UN

 2A 47,566 47,186 45,504 45,309 43,787 2B 44,196 44,831 45,563 45,816 47,625
3A 47,625 47,244 45,562 45,418 43,845 3B 44,196 44,569 45,563 45,753 45,625

2''

4 1/2 UNC

 2A 50,726 50,168 47,061 46,820 44,003 2B 44,679 45,593 47,135 47,449 50,880
3A 50,800 50,242 47,134 46,955 47,077 3B 44,679 45,366 47,135 47,371 50,800
2''

8 UN

 2A 50,741 50,361 48,679 48,481 46,962 2B 47,371 48,006 48,738 48,994 50,800
3A 50,800 50,419 48,737 48,591 47,020 3B 47,371 47,744 48,738 48,930 50,800

2.1/8''

8 UN

 2A 53,914 53,534 51,851 51,651 50,122 2B 50,546 51,181 51,913 52,171 53,975
3A 53,975 53,594 51,912 51,763 50,195 3B 50,546 50,919 51,913 52,108 53,975

2.1/4''

4 1/2 UNC

 2A 57,076 56,518 53,411 53,165 50,353 2B 51,029 51,943 53,465 53,804 57,150
3A 57,150 56,592 53,484 53,300 50,427 3B 51,029 51,716 53,485 53,726 57,150

2.1/4''

8 UN

 2A 57,089 56,709 55,026 54,026 54,824 2B 53,721 54,356 55,088 55,351 57,150
3A 57,150 56,769 55,067 54,936 53,370 3B 53,721 54,094 55,088 55,285 57,150

2.3/8''

8 UN

 2A 60,264 59,884 58,201 57,996 56,485 2B 56,896 57,531 56,263 58,529 60,325
3A 60,325 59,944 58,262 58,111 56,545 3B 56,896 57,269 58,263 58,463 60,325

2.1/2''

4 UNC

 2A 63,421 62,817 59,296 59,033 55,860 2B 56,617 57,581 59,376 59,717 63,500
3A 63,500 62,896 59,375 59,177 55,938 3B 56,617 57,388 59,376 59,631 63,500

2.1/2''

8 UN

 2A 63,439 63,059 61,376 61,169 59,660 2B 60,071 60,706 61,438 61,706 63,500
3A 63,500 63,119 61,437 61,283 59,720 3B 60,071 60,444 61,438 61,640 63,500

2.5/8''

8 UN

 2A 66,611 66,231 64,549 64,341 62,832 2B 63,246 63,881 64,613 64,884 66,675
3A 66,675 66,294 64,612 64,456 62,895 3B 63,246 63,619 64,613 64,815 66,675

2.3/4''

4 UNC

 2A 69,768 69,165 65,643 65,378 62,207 2B 62,967 63,931 65,726 66,073 69,850
3A 69,850 69,246 65,725 65,525 62,288 3B 62,967 63,738 65,726 65,986 69,850

2.3/4''

8 UN

 2A 69,786 69,406 67,724 67,514 66,007 2B 66,421 67,056 67,788 68,061 69,850
3A 69,850 69,469 67,787 67,628 56,070 3B 66,421 66,794

67,788

 67,993 69,850

2.7/8''

8 UN

 2A 72,961 72,581 70,686 69,182 69,182 2B 69,596 70,231 70,963 71,241 73,025
3A 73,025 72,644 70,962 70,803 69,245 3B 69,596 69,969 70,963 71,170 73,025
3''

4 UNC

 2A 76,118 75,515 71,993 71,722 68,557 2B 69,317 70,281 72,076 72,428 76,200
3A 76,200 75,596 72,075 71,872 68,638 3B 69,317 70,088 72,076 72,339 76,200
3''

8 UN

 2A 76,133 75,753 74,071 73,856 72,354 2B 72,771 73,406 74,138 74,419 76,200
3A 76,200 75,819 74,137 73,975 72,420 3B 72,771 73,144 74,138 74,138 76,200

3.1/4''

4 UNC

 2A 82,466 81,862 78,341 78,065 74,905 2B 75,667 76,631 78,426 78,783 82,550
3A 82,550 81,946 78,425 78,217 74,988 3B 75,667 76,438 78,426 78,694 82,550

3.1/4''

8 UN

 2A 82,493 82,103 80,421 80,201 78,704 2B 79,121 79,756 80,488 80,774 82,550
3A 82,550 82,169 80,487 80,323 78,770 3B 79,121 79,494 80,488 80,703 82,550

3.3/8''

8 UN

 2A 85,658 85,278 83,596 83,373 81,879 2B 82,296 82,931 83,663 83,952 85,725
3A 85,725 85,344 83,662 83,495 81,945 3B 82,296 82,669 83,663 83,878 85,725

3.1/2''

4 UNC

 2A 88,816 88,212 84,691 84,412 81,255 2B 82,017 82,981 84,776 85,138 88,900
3A 88,900 88,296 84,775 84,565 81,338 3B 82,017 82,788 84,776 85,049 88,900

3.1/2''

8 UN

 2A 88,833 88,453 86,771 86,548 85,054 2B 85,571 86,106 86,838 87,129 88,900
3A 66,900 88,519 86,837 86,670 85,120 3B 85,571 85,844 86,838 87,055 88,900

3.5/8''

8 UN

 2A 92,006 91,626 89,943 89,718 88,227 2B 86,646 89,291 90,013 90,307 92,075
3A 92,075 91,694 90,012 89,843 86,295 3B 88,646 89,019 90,013 80,233

92,075

3.3/4''

4UNC

 2A 95,163 94,560 91,038 90,755 87,602 2B 88,637 89,331 91,126 91,126 95,250
3A 95,163 94,560 91,038 90,912 87,688 3B 88367 89,138 91,126 91,401 95,250

3.3/4''

8 UN

 2A 95,181 94,801 93,118 92,891 91,402 2B 91,821 92,456 93,188 93,484 95,250
3A 95,250 94,869 93,187 93,018 91,470 3B 91,821 92,194 93,188 93,411 95,250

3.7/8''

8 UN

 2A 96,356 97,976 96,293 96,063 94,577 2B 94,996 95,631 96,363 96,662 98,425
3A 96,428 98,044 96,362 96,190 94,645 3B 94,996 95,369 96,363 96,588 98,425
4''

4 UNC

 2A 101,513 100,910 97,388 97,102 93,952 2B 94,717 95,681 973,476 97,848 101,600
3A 101,600 100,996 97,475 97,260 94,038 3B 94,717 95,488 97,476 97,756 101,600
4''

8 UN

 2A 101,531 101,151 99,468 99,238 97,752 2B 98,171 98,806 99,538 99,839 101,600
3A 101,600 101,219 99,537 99,365 97,820 3B 98,171 98,544 99,538 99,763 101,600