Petro Wire & Steel Round Hole Patterns
.020" dia .043 ctrs

.023" dia .042 ctrs

.033" dia .055" ctrs

.045" dia .066" ctrs

20% open area

22% open area

23% open area

28% open area
.045" dia .066 ctrs

1/16 dia 3/32 ctrs

.033" dia .055" ctrs

3/32" dia 5/32" ctrs

36% open area

41% open area

23% open area

33% open area
.117" dia 5/32" ctrs

1/8" dia 7/32" ctrs

5/32" dia 3/16" ctrs

3/16" dia 3/16"ctrs

45% open area

30% open area

63% open area

50% open area
3/16"dia 5/16"ctrs

3/16" dia 3/8" ctrs

3/16" dia 1/2" ctrs

1/4" dia 1/4" ctrs

32% open area

23% open area

10% open area

34% open area
1/4" dia 1/2" ctrs

3/8" dia 9/16" ctrs

5/8" dia 7/8" ctrs

3/4" dia 1" ctrs

23% open area

40% open area

46% open area

51% open area