Hyundai 35DS-7 Operation Manual page 23

2) PIPE AND HOSE(FLARE TYPE)
Thread size(PF)
1/4"
3/8"
1/2"
3/4"
1"
1-1/4"
3) P P IPE AND HOSE(ORFS TYPE)
Thread size(UNF)
9/16-18
11/16-16
13/16-16
1-3/16-12
1-7/16-12
1-11/16-12
4) FITTING
Thread size(PF)
1/4"
3/8"
1/2"
3/4"
1"
1-1/4"
Width across flat mm
19
22
27
36
41
50
Width across flat mm
19
22
27
36
41
50
Width across flat mm
19
22
27
36
41
50
1-12
kgf m
4
5
9.5
18
21
35
kgf m
4
5
9.5
18
21
35
kgf m
4
5
9.5
18
21
35
lbf ft
28.9
36.2
68.7
130.2
151.9
253.2
lbf ft
28.9
36.2
68.7
130.2
151.9
253.2
lbf ft
28.9
36.2
68.7
130.2
151.9
253.2