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Unit:mm/inch

Metallic tube connections for fluid power and general use--Part 2: 37° Flared fittings [tube nuts]

ISO 8434 (-2) - 1994

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国际ISO 8434 (-2) - 1994 ISO8434 8434ISO Metallic tube connections for fluid power and general use--Part 2: 37° Flared fittings [tube nuts]
For thread diameter
6 8 10 12 16 20 25 32 38 50
d ISO 263 thread
Thread minor diameter /min
Thread minor diameter /max
PP
d1 min=nominal size
max
d2 Nominal Diameter
min
max
d3 Nominal Diameter
min
max
h Nominal Size
min
max
k Nominal Size
min
max
s
t1 Nominal Size
min
max
t2 min
6 8 10 12 16 20 25 32 38 50
7/16' 1/2' 9/16' 3/4' 7/8' 1 1/16' 1 5/16' 1 5/8' 1 7/8' 2 1/2'
9.86 11.46 12.9 17.48 20.42 24.87 31.22 39.14 45.49 61.37
9.99 11.59 13.03 17.61 20.55 25 31.35 39.27 45.62 61.5
20 UNF 20 UNF 18 UNF 16 UNF 14 UNF 12 UN 12 UN 12 UN 12 UN 12 UN
7.72 9.47 11.15 14.43 17.68 21.13 27.61 34.14 41 54.97
7.82 9.57 11.25 14.56 17.81 21.26 27.74 34.29 41.15 55.12
11.5 13 14.6 19.4 22.6 27.3 33.7 41.6 48 63.8
11.3 12.8 14.4 19.2 22.4 27.1 33.5 41.4 47.8 63.6
11.7 13.2 14.8 19.6 22.8 27.5 33.9 41.8 48.2 64
13.5 16.5 18.5 21.5 26.5 31.5 40.5 49.5 59.5 74.5
13.2 16.2 18.2 21.2 26.2 31.2 40.2 49.2 59.2 74.2
13.8 16.8 18.8 21.8 26.8 31.8 40.8 49.8 59.8 74.8
15.5 17 18.3 21.3 24.6 25.9 28.4 31 35.8 44.2
15.2 16.7 18 21 24.3 25.6 28.1 30.7 35.5 43.9
15.8 17.3 18.6 21.6 24.9 26.2 28.7 31.3 36.1 44.5
0.15 0.15 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.4
0.05 0.05 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.3
0.25 0.25 0.35 0.35 0.35 0.35 0.35 0.35 0.35 0.5
14 17 19 22 27 32 41 50 60 75
13.5 14.7 15.3 18.4 20.8 22 24.4 25.8 29.7 37.1
13.2 14.4 15 18.1 20.5 21.7 24.1 25.5 29.4 36.8
13.8 15 15.6 18.7 21.1 22.3 24.7 26.1 30 37.4
7.5 8.3 8.3 9.4 11.6 11.8 14.2 14.2 16.7 21.3
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