1/4
28
0.2294
0.2265
0.375
0.1250
5/16
24
0.2883
0.2852
0.46875
0.1563
3/8
24
0.351
0.3478
0.5625
0.1875
7/16
20
0.4084
0.405
0.65625
0.2188
1/2
20
0.4712
0.4675
0.75
0.2500
9/16
18
0.5302
0.5264
0.84375
0.2813
5/8
18
0.5929
0.5889
0.9375
0.3125
3/4
16
0.7137
0.7094
1.125
0.3750
7/8
14
0.8332
0.8286
1.3125
0.4375
1
12
0.951
0.9459
1.5
0.5000
1-1/8
12
1.0762
1.0709
1.6875
0.5625
1-1/4
12
1.2014
1.1959
1.875
0.6250
1-3/8
12
1.3265
1.3209
2.0625
0.6875
1-1/2
12
1.4517
1.4459
2.25
0.7500