Hole Diameter
|
Staggered Centers
(inch)
|
Sheet Thickness
|
Open Area
|
||
Inch
|
MM
|
Inch
|
MM
|
||
0.033
|
0.84
|
0.055
|
0.0165-0.0198
|
0.40-0.50
|
28.00%
|
0.045
|
1.14
|
0.066
|
0.0165-0.0198
|
0.40-0.50
|
37.00%
|
1/16
|
1.59
|
3/32
|
0.026-0.053
|
0.66-1.35
|
41.00%
|
1/16
|
1.59
|
1/8
|
0.046-0.053
|
1.17-1.36
|
23.00%
|
3/32
|
2.38
|
9/64
|
0.054-0.065
|
1.37-1.65
|
40.30%
|
3/32
|
2.38
|
5/32
|
0.026-0.079
|
0.66-2.00
|
33.00%
|
3/32
|
2.38
|
1/4
|
0.033-0.053
|
0.84-1.35
|
12.50%
|
1/8
|
3.17
|
3/16
|
0.026-0.129
|
0.80-2.89
|
40.00%
|
1/8
|
3.17
|
7/32
|
0.026-0.039
|
0.66-0.99
|
29.60%
|
5/32
|
3.97
|
3/16
|
0.026-0.065
|
0.66-1.65
|
63.00%
|
3/16
|
4.76
|
1/4
|
0.026-0.079
|
0.66-2.00
|
50.00%
|
3/16
|
4.76
|
5/16
|
0.029-0.059
|
0.73, 1.50
|
32.00%
|
1/4
|
6.35
|
5/16
|
0.026-0.079
|
0.66-2.00
|
58.00%
|
1/4
|
6.35
|
3/8
|
0.026-0.065
|
0.66-1.65
|
40.00%
|
1/2
|
12.70
|
11/16
|
0.059, 0.121
|
1.50, 3.00
|
48.00%
|
1/4
|
6.35
|
1/2
|
0.121-0.236
|
3.00-6.00
|
22.67%
|
5/16
|
7.94
|
5/8
|
0.237-0.315
|
6.00-8.00
|
22.67%
|
The above is for round holes, other special size can be customized as request or drawing.
|