Size |
Q |
R |
J |
1/4” |
46 |
8.9 |
12 |
3/8” |
51 |
11.5 |
14 |
1/2” |
56 |
14 |
16 |
3/4” |
66 |
19.5 |
19 |
1” |
71 |
26 |
20 |
1-1/4” |
76 |
34 |
23 |
1-1/2” |
92 |
40 |
23 |
2” |
101 |
52 |
25 |
2-1/2” |
115 |
67 |
29 |
3” |
130 |
78 |
34 |
4” |
145 |
105 |
37 |