材质 
#6
32|40
0.3125
0.302
0.361
0.344
0.3
0.34
0.16
0.25
#8
32|36
0.3125
0.302
0.361
0.344
0.3
0.34
0.16
0.25
#10
24|32
0.375
0.362
0.433
0.413
0.36
0.41
0.19
0.26
#12
24|28|32
0.375
0.362
0.433
0.413
0.36
0.41
0.19
0.31
1/4
20|28|32
0.4375
0.428
0.505
0.488
0.41
0.47
0.22
0.34
5/16
18|24|32
0.5
0.489
0.577
0.557
0.47
0.53
0.25
0.41
3/8
16|24|32
0.5625
0.551
0.65
0.628
0.53
0.62
0.28
0.45
7/16
14|20|28
0.75
0.612
0.722
0.698
0.59
0.69
0.31
0.52
1/2
13|20|28
0.875
0.736
0.866
0.84
0.72
0.81
0.38
0.59
9/16
12|18|24
0.9375
0.861
1.01
0.982
0.84
0.94
0.44
0.69
5/8
11|18|24
1.0625
0.922
1.083
1.051
0.91
1
0.47
0.75
3/4
10|16|20
1.25
1.045
1.227
1.191
1.03
1.16
0.53
0.88
7/8
9|14|20
1.4375
1.231
1.443
1.403
1.22
1.36
0.62
1
1
8|12|20
1.625
1.417
1.66
1.615
1.41
1.55
0.72
1.12
1-1/8
7|12|18
1.8125
1.602
1.876
1.826
1.59
1.75
0.81
1.31
1-1/4
7|12|18
1.875
1.788
2.093
2.038
1.78
1.95
0.91
1.44