REFERÊNCIA
ASME / ANSI B18.2.2 - 1987
(Tabela 1)
|
Diâmetro
|
F
|
G
|
H
|
|||
|
Nominal
|
máx.
|
min.
|
máx.
|
min.
|
máx.
|
min.
|
|
1/4"
|
11,125
|
10,795
|
15,722
|
14,833
|
5,969
|
5,156
|
|
5/16"
|
14,274
|
13,893
|
20,193
|
19,075
|
7,188
|
6,324
|
|
3/8"
|
15,875
|
15,392
|
22,453
|
21,132
|
8,788
|
7,874
|
|
7/16"
|
19,050
|
18,491
|
26,949
|
25,400
|
10,007
|
9,042
|
|
1/2"
|
20,624
|
20,015
|
29,184
|
27,482
|
11,633
|
10,617
|
|
5/8"
|
25,400
|
24,612
|
35,915
|
33,782
|
14,452
|
13,335
|
|
3/4"
|
28,575
|
27,635
|
40,411
|
37,947
|
17,272
|
16,052
|
|
7/8"
|
33,324
|
32,232
|
47,142
|
44,246
|
20,116
|
18,796
|
|
1"
|
38,100
|
36,830
|
53,873
|
50,571
|
22,936
|
21,513
|
|
1.1/8"
|
42,875
|
41,427
|
60,604
|
56,870
|
26,162
|
24,638
|
|
1.1/4"
|
47,625
|
46,024
|
67,360
|
63,220
|
28,600
|
26,974
|
|
1.3/8"
|
52,374
|
50,647
|
74,091
|
69,545
|
31,419
|
29,692
|
|
1.1/2"
|
57,150
|
55,245
|
80,822
|
75,844
|
34,239
|
32,410
|
OBS: ROSCAS: Especificar - UNC/UNF/8UN/BSW/BSF
