Omni Gear and Machine Corporation - Toll Free: (800) 876-7216 - Fax: (815) 723-9207

Span
Measurements

 

SPAN MEASUREMENTS
20º PA

N T

W

8
9
10
11
2
2
2
2
4.5402
4.5543
4.5683
4.5823
12
13
14
15
2
2
2
2
4.5963
4.6103
4.6243
4.6383
16
17
18
19
3
3
3
3
7.6044
7.6184
7.6324
7.6464
20
21
22
23
3
3
3
3
7.6604
7.6744
7.6885
7.7025
24
25
26
27
4
4
4
4
10.6686
10.6826
10.6968
10.7106
28
29
30
31
4
4
4
4
10.7246
10.7386
10.7526
10.7666
32
33
34
35
4
5
5
5
10.7806
13.7468
13.7608
13.7748
36
37
38
39
5
5
5
5
13.7888
13.8028
13.8188
13.8308
40
41
42
43
5
6
6
6
13.8448
16.8110
16.8250
16.8390
44
45
6
6
16.8530
16.8670
N T

W

46
47
48
49
6
6
6
6
16.8810
16.8950
16.9090
16.9230
50
51
52
53
7
7
7
7
19.8891
19.9031
19.9171
19.9312
54
55
56
57
7
7
7
7
19.9452
19.9592
19.9732
19.9872
58
59
60
61
7
8
8
8
20.0012
22.9673
22.9813
22.9953
62
63
64
65
8
8
8
8
23.0093
23.0233
23.0373
23.0514
66
67
68
69
8
8
9
9
23.0654
23.0794
26.0455
26.0595
70
71
72
73
9
9
9
9
26.0735
26.0875
26.1015
26.1155
74
75
76
77
9
9
9
10
26.1295
26.1435
26.1575
29.1237
78
79
80
81
10
10
10
10
29.1377
29.1517
29.1657
29.179
82
83
10
10
29.19
29.2
N T

W

84
85
86
87
10
10
11
11
29.22
29.23
32.201
32.215
88
89
90
91
11
11
11
11
32.229
32.243
32.257
32.271
92
93
94
95
11
11
11
12
32.285
32.299
32.313
35.28
96
97
98
99
12
12
12
12
35.294
35.308
35.322
35.336
100
101
102
103
12
12
12
12
35.35
35.364
35.378
35.392
104
105
106
107
13
13
13
13
38.358
38.372
38.386
38.4002
108
109
110
111
13
13
13
13
38.4142
38.4283
38.4423
38.4563
112
113
114
115
13
14
14
14
38.4703
41.4364
41.4504
41.4544
116
117
118
119
14
14
14
14
41.4784
41.4924
41.5064
41.5204
120
 
14
 
41.5344