Specification
D
D1
D2
RX
h
b
a
L1
L2
20×1/2M
27
19.3
19.5
1/2
15
12
13
30
27.5
20×3/4M
27
19.3
19.5
3/4
15
14
15
32.5
27.5
25×1/2M
33.5
24.3
24.5
1/2
17
12
13
32
30
25×3/4M
33.5
24.3
24.5
3/4
17
14
15
34.5
30
25×1M
33.5
24.3
24.5
1
17
16
17
36.5
33.5
32×3/4M
42
31.3
31.5
3/4
19
14
15
36.5
33
32×1M
42
31.3
31.5
1
19
16
17
37
38.5
40×11/4M
51.5
39.2
39.4
11/4
21
18
19
46
42
40×11/2M
51.5
39.2
39.4
11/2
21
20
19
49
45
50×11/2M
63.5
49.2
49.4
11/2
24
20
19
52
50
50×2M
63.5
49.2
49.4
2
24
20
24
58
58
63×2M
79
62.2
62.4
2
28
20
24
62
64.5