| Pattern Description |
Hole Diameter Square Size or Slot
Width |
Slot Length |
Center dimension or Slot Center Width |
Slot Center Length |
Straight or Staggered |
Holes per square inch |
% Open Area |
Max Perf Width |
| Round Hole
Straight Centers |
0.0330 |
  |
0.0550 |
  |
strt |
330.6 |
28.3 |
36.0 |
| Round Hole Straight Centers |
0.0400 |
  |
0.2770 |
  |
strt |
13.0 |
1.6 |
36.0 |
| Round Hole Straight Centers |
0.0450 |
  |
0.0660 |
  |
strt |
229.6 |
36.5 |
48.0 |
| Round Hole Straight Centers |
0.0450 |
  |
0.1320 |
  |
strt |
57.4 |
9.1 |
48.0 |
| Round Hole Straight Centers |
0.0470 |
  |
0.0590 |
  |
strt |
287.3 |
49.8 |
48.0 |
| Round Hole Straight Centers |
0.0500 |
  |
0.1280 |
  |
strt |
61.0 |
12.0 |
48.0 |
| Round Hole Straight Centers |
0.0500 |
  |
0.1402 |
  |
strt |
50.9 |
10.0 |
48.0 |
| Round Hole Straight Centers |
0.0500 |
  |
0.1558 |
  |
strt |
41.2 |
8.1 |
48.0 |
| Round Hole Straight Centers |
0.0500 |
  |
0.1888 |
  |
strt |
28.1 |
5.5 |
48.0 |
| Round Hole Straight Centers |
0.0500 |
  |
0.2560 |
  |
strt |
15.3 |
3.0 |
48.0 |
| Round Hole Straight Centers |
0.0510 |
  |
0.2031 |
  |
strt |
24.2 |
5.0 |
48.0 |
| Round Hole Straight Centers |
0.0510 |
  |
0.3118 |
  |
strt |
10.3 |
2.1 |
60.0 |
| Round Hole Straight Centers |
0.0540 |
  |
0.1860 |
  |
strt |
28.9 |
6.6 |
48.0 |
| Round Hole Straight Centers |
0.0570 |
  |
0.0865 |
  |
strt |
133.7 |
34.1 |
36.0 |
| Round Hole Straight Centers |
0.0570 |
  |
0.1730 |
  |
strt |
33.4 |
8.5 |
48.0 |
| Round Hole Straight Centers |
0.0570 |
  |
0.3460 |
  |
strt |
8.4 |
2.1 |
48.0 |
| Round Hole Straight Centers |
0.0625 |
  |
0.1000 |
  |
strt |
100.0 |
30.7 |
60.0 |
| Round Hole Straight Centers |
0.0625 |
  |
0.1250 |
  |
strt |
64.0 |
19.6 |
48.0 |
| Round Hole Straight Centers |
0.0625 |
  |
0.1626 |
  |
strt |
37.8 |
11.6 |
60.0 |
| Round Hole Straight Centers |
0.0625 |
  |
0.2000 |
  |
strt |
25.0 |
7.7 |
60.0 |
| Round Hole Straight Centers |
0.0625 |
  |
0.2165 |
  |
strt |
21.3 |
6.5 |
48.0 |
| Round Hole Straight Centers |
0.0625 |
  |
0.2500 |
  |
strt |
16.0 |
4.9 |
48.0 |
| Round Hole Straight Centers |
0.0625 |
  |
0.0325 |
  |
strt |
945.6 |
290.1 |
60.0 |
| Round Hole Straight Centers |
0.0625 |
  |
0.4000 |
  |
strt |
6.3 |
1.9 |
48.0 |
| Round Hole Straight Centers |
0.0670 |
  |
0.1000 |
  |
strt |
100.0 |
35.3 |
48.0 |
| Round Hole Straight Centers |
0.0670 |
  |
0.1380 |
  |
strt |
52.5 |
18.5 |
48.0 |
| Round Hole Straight Centers |
0.0670 |
  |
0.1895 |
  |
strt |
27.8 |
9.8 |
48.0 |
| Round Hole Straight Centers |
0.0670 |
  |
0.3248 |
  |
strt |
9.5 |
3.3 |
60.0 |
| Round Hole Straight Centers |
0.0720 |
  |
0.1730 |
  |
strt |
33.4 |
13.6 |
60.0 |
| Round Hole Straight Centers |
0.0750 |
  |
0.3464 |
  |
strt |
8.3 |
3.7 |
60.0 |
| Round Hole Straight Centers |
0.0781 |
  |
0.1875 |
  |
strt |
28.4 |
13.6 |
48.0 |
| Round Hole Straight Centers |
0.0781 |
  |
0.2170 |
  |
strt |
21.2 |
10.2 |
60.0 |
| Round Hole Straight Centers |
0.0781 |
  |
0.2620 |
  |
strt |
14.6 |
7.0 |
60.0 |
| Round Hole Straight Centers |
0.0781 |
  |
0.2720 |
  |
strt |
13.5 |
6.5 |
60.0 |
| Round Hole Straight Centers |
0.0810 |
  |
0.2165 |
  |
strt |
21.3 |
11.0 |
48.0 |
| Round Hole Straight Centers |
0.0810 |
  |
0.2188 |
  |
strt |
20.9 |
10.8 |
48.0 |
| Round Hole Straight Centers |
0.0810 |
  |
0.2710 |
  |
strt |
13.6 |
7.0 |
48.0 |
| Round Hole Straight Centers |
0.0890 |
  |
0.2170 |
  |
strt |
21.2 |
13.2 |
36.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.1563 |
  |
strt |
40.9 |
28.3 |
48.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.1875 |
  |
strt |
28.4 |
19.7 |
60.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.2400 |
  |
strt |
17.4 |
12.0 |
48.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.2500 |
  |
strt |
16.0 |
11.1 |
48.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.2656 |
  |
strt |
14.2 |
9.8 |
48.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.2710 |
  |
strt |
13.6 |
9.4 |
60.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.2813 |
  |
strt |
12.6 |
8.7 |
60.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.3220 |
  |
strt |
9.6 |
6.7 |
60.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.3250 |
  |
strt |
9.5 |
6.5 |
60.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.3750 |
  |
strt |
7.1 |
4.9 |
60.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.4330 |
  |
strt |
5.3 |
3.7 |
48.0 |
| Round Hole Straight Centers |
0.0938 |
  |
0.5000 |
  |
strt |
4.0 |
2.8 |
60.0 |
| Round Hole Straight Centers |
0.1010 |
  |
0.2710 |
  |
strt |
13.6 |
10.9 |
60.0 |
| Round Hole Straight Centers |
0.1010 |
  |
0.3250 |
  |
strt |
9.5 |
7.6 |
48.0 |
| Round Hole Straight Centers |
0.1010 |
  |
0.3750 |
  |
strt |
7.1 |
5.7 |
48.0 |
| Round Hole Straight Centers |
0.1094 |
  |
0.3281 |
  |
strt |
9.3 |
8.7 |
48.0 |
| Round Hole Straight Centers |
0.1150 |
  |
0.2710 |
  |
strt |
13.6 |
14.1 |
48.0 |
| Round Hole Straight Centers |
0.1150 |
  |
0.5420 |
  |
strt |
3.4 |
3.5 |
48.0 |
| Round Hole Straight Centers |
0.1170 |
  |
0.2710 |
  |
strt |
13.6 |
14.6 |
48.0 |
| Round Hole Straight Centers |
0.1170 |
  |
0.5410 |
  |
strt |
3.4 |
3.7 |
48.0 |
| Round Hole Straight Centers |
0.1180 |
  |
0.3410 |
  |
strt |
8.6 |
9.4 |
48.0 |
| Round Hole Straight Centers |
0.1180 |
  |
0.6820 |
  |
strt |
2.1 |
2.4 |
48.0 |
| Round Hole Straight Centers |
0.1250 |
  |
0.1875 |
  |
strt |
28.4 |
34.9 |
48.0 |
| Round Hole Straight Centers |
0.1250 |
  |
0.2500 |
  |
strt |
16.0 |
19.6 |
48.0 |
| Round Hole Straight Centers |
0.1250 |
  |
0.2700 |
  |
strt |
13.7 |
16.8 |
48.0 |
| Round Hole Straight Centers |
0.1250 |
  |
0.3250 |
  |
strt |
9.5 |
11.6 |
60.0 |
| Round Hole Straight Centers |
0.1250 |
  |
0.3520 |
  |
strt |
8.1 |
9.9 |
48.0 |
| Round Hole Straight Centers |
0.1250 |
  |
0.3790 |
  |
strt |
7.0 |
8.5 |
60.0 |
| Round Hole Straight Centers |
0.1250 |
  |
0.4375 |
  |
strt |
5.2 |
6.4 |
60.0 |
| Round Hole Straight Centers |
0.1250 |
  |
0.5000 |
  |
strt |
4.0 |
4.9 |
48.0 |
| Round Hole Straight Centers |
0.1280 |
  |
0.3180 |
  |
strt |
9.9 |
12.7 |
36.0 |
| Round Hole Straight Centers |
0.1406 |
  |
0.3250 |
  |
strt |
9.5 |
14.7 |
48.0 |
| Round Hole Straight Centers |
0.1563 |
  |
0.1875 |
  |
strt |
28.4 |
54.6 |
48.0 |
| Round Hole Straight Centers |
0.1563 |
  |
0.3250 |
  |
strt |
9.5 |
18.2 |
48.0 |
| Round Hole Straight Centers |
0.1563 |
  |
0.3790 |
  |
strt |
7.0 |
13.4 |
48.0 |
| Round Hole Straight Centers |
0.1563 |
  |
0.4330 |
  |
strt |
5.3 |
10.2 |
48.0 |
| Round Hole Straight Centers |
0.1563 |
  |
0.4375 |
  |
strt |
5.2 |
10.0 |
48.0 |
| Round Hole Straight Centers |
0.1563 |
  |
0.5410 |
  |
strt |
3.4 |
6.6 |
48.0 |
| Round Hole Straight Centers |
0.1719 |
  |
0.4810 |
  |
strt |
4.3 |
10.0 |
48.0 |
| Round Hole Straight Centers |
0.1719 |
  |
0.5140 |
  |
strt |
3.8 |
8.8 |
48.0 |
| Round Hole Straight Centers |
0.1875 |
  |
0.2500 |
  |
strt |
16.0 |
44.2 |
60.0 |
| Round Hole Straight Centers |
0.1875 |
  |
0.3438 |
  |
strt |
8.5 |
23.4 |
48.0 |
| Round Hole Straight Centers |
0.1875 |
  |
0.3750 |
  |
strt |
7.1 |
19.6 |
48.0 |
| Round Hole Straight Centers |
0.1875 |
  |
0.4330 |
  |
strt |
5.3 |
14.7 |
60.0 |
| Round Hole Straight Centers |
0.1875 |
  |
0.5000 |
  |
strt |
4.0 |
11.0 |
48.0 |
| Round Hole Straight Centers |
0.1875 |
  |
0.5140 |
  |
strt |
3.8 |
10.5 |
48.0 |
| Round Hole Straight Centers |
0.1875 |
  |
0.5410 |
  |
strt |
3.4 |
9.4 |
48.0 |
| Round Hole Straight Centers |
0.1875 |
  |
0.6500 |
  |
strt |
2.4 |
6.5 |
60.0 |
| Round Hole Straight Centers |
0.1900 |
  |
0.3937 |
  |
strt |
6.5 |
18.3 |
48.0 |
| Round Hole Straight Centers |
0.1900 |
  |
0.6250 |
  |
strt |
2.6 |
7.3 |
48.0 |
| Round Hole Straight Centers |
0.2031 |
  |
0.2500 |
  |
strt |
16.0 |
51.8 |
48.0 |
| Round Hole Straight Centers |
0.2031 |
  |
0.3125 |
  |
strt |
10.2 |
33.2 |
48.0 |
| Round Hole Straight Centers |
0.2031 |
  |
0.5000 |
  |
strt |
4.0 |
13.0 |
48.0 |
| Round Hole Straight Centers |
0.2031 |
  |
0.5420 |
  |
strt |
3.4 |
11.0 |
48.0 |
| Round Hole Straight Centers |
0.2188 |
  |
0.5410 |
  |
strt |
3.4 |
12.8 |
48.0 |
| Round Hole Straight Centers |
0.2188 |
  |
0.5960 |
  |
strt |
2.8 |
10.6 |
48.0 |
| Round Hole Straight Centers |
0.2188 |
  |
0.6510 |
  |
strt |
2.4 |
8.9 |
48.0 |
| Round Hole Straight Centers |
0.2360 |
  |
0.4330 |
  |
strt |
5.3 |
23.3 |
48.0 |
| Round Hole Straight Centers |
0.2360 |
  |
0.5510 |
  |
strt |
3.3 |
14.4 |
48.0 |
| Round Hole Straight Centers |
0.2500 |
  |
0.3125 |
  |
strt |
10.2 |
50.3 |
48.0 |
| Round Hole Straight Centers |
0.2500 |
  |
0.3750 |
  |
strt |
7.1 |
34.9 |
60.0 |
| Round Hole Straight Centers |
0.2500 |
  |
0.5000 |
  |
strt |
4.0 |
19.6 |
48.0 |
| Round Hole Straight Centers |
0.2500 |
  |
0.5410 |
  |
strt |
3.4 |
16.8 |
48.0 |
| Round Hole Straight Centers |
0.2500 |
  |
0.5950 |
  |
strt |
2.8 |
13.9 |
48.0 |
| Round Hole Straight Centers |
0.2500 |
  |
0.6250 |
  |
strt |
2.6 |
12.6 |
48.0 |
| Round Hole Straight Centers |
0.2500 |
  |
0.6500 |
  |
strt |
2.4 |
11.6 |
48.0 |
| Round Hole Straight Centers |
0.2500 |
  |
0.6563 |
  |
strt |
2.3 |
11.4 |
60.0 |
| Round Hole Straight Centers |
0.2500 |
  |
0.7500 |
  |
strt |
1.8 |
8.7 |
48.0 |
| Round Hole Straight Centers |
0.2500 |
  |
0.8660 |
  |
strt |
1.3 |
6.5 |
48.0 |
| Round Hole Straight Centers |
0.2656 |
  |
0.5410 |
  |
strt |
3.4 |
18.9 |
48.0 |
| Round Hole Straight Centers |
0.2656 |
  |
0.6250 |
  |
strt |
2.6 |
14.2 |
48.0 |
| Round Hole Straight Centers |
0.2656 |
  |
0.6500 |
  |
strt |
2.4 |
13.1 |
48.0 |
| Round Hole Straight Centers |
0.3125 |
  |
0.5000 |
  |
strt |
4.0 |
30.7 |
48.0 |
| Round Hole Straight Centers |
0.3125 |
  |
0.6500 |
  |
strt |
2.4 |
18.2 |
48.0 |
| Round Hole Straight Centers |
0.3125 |
  |
0.7500 |
  |
strt |
1.8 |
13.6 |
48.0 |
| Round Hole Straight Centers |
0.3125 |
  |
0.7580 |
  |
strt |
1.7 |
13.3 |
48.0 |
| Round Hole Straight Centers |
0.3125 |
  |
0.8660 |
  |
strt |
1.3 |
10.2 |
48.0 |
| Round Hole Straight Centers |
0.3125 |
  |
1.1040 |
  |
strt |
0.8 |
6.3 |
48.0 |
| Round Hole Straight Centers |
0.3750 |
  |
0.5000 |
  |
strt |
4.0 |
44.2 |
48.0 |
| Round Hole Straight Centers |
0.3750 |
  |
0.5625 |
  |
strt |
3.2 |
34.9 |
48.0 |
| Round Hole Straight Centers |
0.3750 |
  |
0.7500 |
  |
strt |
1.8 |
19.6 |
60.0 |
| Round Hole Straight Centers |
0.3750 |
  |
0.8660 |
  |
strt |
1.3 |
14.7 |
48.0 |
| Round Hole Straight Centers |
0.3750 |
  |
1.0000 |
  |
strt |
1.0 |
11.0 |
48.0 |
| Round Hole Straight Centers |
0.3750 |
  |
1.0830 |
  |
strt |
0.9 |
9.4 |
48.0 |
| Round Hole Straight Centers |
0.3750 |
  |
1.1250 |
  |
strt |
0.8 |
8.7 |
48.0 |
| Round Hole Straight Centers |
0.3750 |
  |
1.5000 |
  |
strt |
0.4 |
4.9 |
60.0 |
| Round Hole Straight Centers |
0.3750 |
  |
1.6770 |
  |
strt |
0.4 |
3.9 |
48.0 |
| Round Hole Straight Centers |
0.4375 |
  |
0.5625 |
  |
strt |
3.2 |
47.5 |
48.0 |
| Round Hole Straight Centers |
0.4375 |
  |
1.0810 |
  |
strt |
0.9 |
12.9 |
60.0 |
| Round Hole Straight Centers |
0.4375 |
  |
1.1250 |
  |
strt |
0.8 |
11.9 |
48.0 |
| Round Hole Straight Centers |
0.5000 |
  |
0.7500 |
  |
strt |
1.8 |
34.9 |
48.0 |
| Round Hole Straight Centers |
0.5000 |
  |
1.0000 |
  |
strt |
1.0 |
19.6 |
48.0 |
| Round Hole Straight Centers |
0.5000 |
  |
1.0820 |
  |
strt |
0.9 |
16.8 |
48.0 |
| Round Hole Straight Centers |
0.5625 |
  |
1.1900 |
  |
strt |
0.7 |
17.5 |
48.0 |
| Round Hole Straight Centers |
0.5625 |
  |
1.2990 |
  |
strt |
0.6 |
14.7 |
48.0 |
| Round Hole Straight Centers |
0.6250 |
  |
0.8125 |
  |
strt |
1.5 |
46.5 |
48.0 |
| Round Hole Straight Centers |
0.7500 |
  |
1.1250 |
  |
strt |
0.8 |
34.9 |
48.0 |
| Round Hole Straight Centers |
0.7500 |
  |
1.7320 |
  |
strt |
0.3 |
14.7 |
48.0 |
| Round Hole Straight Centers |
0.7660 |
  |
1.5000 |
  |
strt |
0.4 |
20.5 |
48.0 |
| Round Hole Straight Centers |
1.0000 |
  |
1.5000 |
  |
strt |
0.4 |
34.9 |
48.0 |
| Round Hole Straight Centers |
1.0000 |
  |
2.3810 |
  |
strt |
0.2 |
13.9 |
48.0 |
| Round Hole Straight Centers |
1.2500 |
  |
1.7500 |
  |
strt |
0.3 |
40.1 |
60.0 |
| Round Hole Straight Centers |
1.5000 |
  |
2.2500 |
  |
strt |
0.2 |
34.9 |
48.0 |
| Round Hole Straight Centers |
1.8125 |
  |
2.2500 |
  |
strt |
0.2 |
51.0 |
46.0 |
| Square Hole
Straight Centers |
0.1250 |
0.1250 |
0.1875 |
  |
stag |
28.4 |
44.4 |
48.0 |
| Square Hole Straight Centers |
0.1250 |
0.1250 |
0.3750 |
  |
strt |
7.1 |
11.1 |
48.0 |
| Square Hole Straight Centers |
0.2000 |
0.2000 |
0.2500 |
  |
strt |
16.0 |
64.0 |
48.0 |
| Square Hole Straight Centers |
0.2000 |
0.2000 |
0.5000 |
  |
strt |
4.0 |
16.0 |
48.0 |
| Square Hole Straight Centers |
0.2188 |
0.2188 |
0.5000 |
  |
strt |
4.0 |
19.1 |
48.0 |
| Square Hole Straight Centers |
0.2500 |
0.2500 |
0.3125 |
  |
strt |
10.2 |
64.0 |
48.0 |
| Square Hole Straight Centers |
0.2500 |
0.2500 |
0.3750 |
  |
strt |
7.1 |
44.4 |
48.0 |
| Square Hole Straight Centers |
0.2500 |
0.2500 |
0.4380 |
  |
strt |
5.2 |
32.6 |
49.0 |
| Square Hole Straight Centers |
0.2500 |
0.2500 |
0.5000 |
  |
strt |
4.0 |
25.0 |
48.0 |
| Square Hole Straight Centers |
0.2500 |
0.2500 |
0.6400 |
  |
strt |
2.4 |
15.3 |
48.0 |
| Square Hole Straight Centers |
0.2600 |
0.2600 |
0.3000 |
  |
strt |
11.1 |
75.1 |
48.0 |
| Square Hole Straight Centers |
0.2600 |
0.2600 |
0.6000 |
  |
strt |
2.8 |
18.8 |
48.0 |
| Square Hole Straight Centers |
0.3125 |
0.3125 |
0.4375 |
  |
strt |
5.2 |
51.0 |
48.0 |
| Square Hole Straight Centers |
0.3750 |
0.3750 |
0.5000 |
  |
strt |
4.0 |
56.3 |
48.0 |
| Square Hole Straight Centers |
0.3750 |
0.3750 |
0.5625 |
  |
strt |
3.2 |
44.4 |
48.0 |
| Square Hole Straight Centers |
0.4375 |
0.4375 |
0.6175 |
  |
strt |
2.6 |
50.2 |
48.0 |
| Square Hole Straight Centers |
0.5000 |
0.5000 |
0.5800 |
  |
strt |
3.0 |
74.3 |
58.0 |
| Square Hole Straight Centers |
0.5000 |
0.5000 |
0.6250 |
  |
strt |
2.6 |
64.0 |
48.0 |
| Square Hole Straight Centers |
0.5000 |
0.5000 |
0.6875 |
  |
strt |
2.1 |
52.9 |
48.0 |
| Square Hole Straight Centers |
0.5000 |
0.5000 |
1.0000 |
  |
strt |
1.0 |
25.0 |
48.0 |
| Square Hole Straight Centers |
0.8125 |
0.8125 |
1.0000 |
  |
strt |
1.0 |
66.0 |
48.0 |
| Square Hole Straight Centers |
0.8750 |
0.8750 |
1.1250 |
  |
strt |
0.8 |
60.5 |
48.0 |
| Square Hole Straight Centers |
1.0000 |
1.0000 |
1.2500 |
  |
strt |
0.6 |
64.0 |
48.0 |
| Square Hole Straight Centers |
1.5000 |
1.5000 |
1.8750 |
  |
strt |
0.3 |
64.0 |
22.0 |