Hole Diameter

Staggered Centers

Sheet Thickness

Open Area

0.045"

1.14mm

0.066«

0.033-0.039"

0.84-0.99mm

37.00%

1/16"

1.59mm

3/32"

0.027-0.033"

0.68-0.84mm

41.00%

1/16"

1.59mm

1/8"

0.027-0.066"

0.68-1.68mm

23.00%

5/64"

1.98mm

1/8"

0.027-0.053"

0.68-1.35mm

35.00%

0.081"

2.06mm

1/8"

0.053-0.066"

1.35-1.68mm

38.00%

3/32"

2.38mm

5/32"

0.053-0.066"

1.35-1.68mm

33.00%

1/8"

3.17mm

3/16"

0.027-0.127"

0.68-3.23mm

40.00%

5/32"

3.97mm

3/16"

0.027-0.066"

0.68-1.68mm

63.00%

3/16"

4.76mm

¼"

0.027-0.127"

0.68-3.23mm

50.00%

1/4"

6.35mm

3/8"

0.033-0.111", 0.25"

0.84-2.82mm, 6.35mm

40.00%

3/8"

9.52mm

½"

0.053-0.082", 3/16"

1.35-2.08mm, 4.76mm

51.00%

3/8"

9.52mm

9/16"

0.059", 0.119"

1.50mm, 3.02mm

40.00%

1/2"

12.70mm

11/16"

0.033-0.127", 3/16"

0.84-3.23mm, 4.76mm

48.00%

1/4" Hex

6.35mm Hex

0.285

0.027-0.033

0.68-0.84mm

76.00%