1/4
20|28|32
0.428
0.438
0.488
0.505
0.212
0.226
5/16
18|24|32
0.489
0.5
0.557
0.577
0.258
0.273
3/8
16|24|32
0.551
0.563
0.628
0.65
0.32
0.337
7/16
14|20|28
0.675
0.688
0.768
0.794
0.365
0.385
1/2
13|20|28
0.736
0.75
0.84
0.866
0.427
0.448
9/16
12|18|24
0.861
0.875
0.982
1.01
0.473
0.496
5/8
11|18|24
0.922
0.938
1.051
1.083
0.535
0.559
3/4
10|16|20
1.088
1.125
1.24
1.299
0.617
0.665
7/8
9|14|20
1.269
1.312
1.447
1.516
0.724
0.776
1
8|12|20|16
1.45
1.5
1.653
1.732
0.831
0.887
1-1/8
7|12|18|16
1.631
1.688
1.859
1.949
0.939
0.999
1-1/4
7|12|18|16
1.812
1.875
2.066
2.165
1.03
1.094
1-3/8
6|12|18|16
1.994
2.062
2.273
2.382
1.138
1.206
1-1/2
6|12|18|16
2.175
2.25
2.48
2.598
1.245
1.317