Aluminum Perforated Metal

Hole Diameter		Staggered Centers	Sheet Thickness		Open Area
0.045"	1.14mm	0.06<<	0.032"	0.81mm	37.00%
1/16"	1.59mm	1/8"	0.032", 0.040"	0.81mm, 1.02mm	23.00%
3/32"	2.38mm	5/32"	0.040", 0.063"	1.02mm, 1.60mm	33.00%
7/64"	2.78mm	3/16"	0.032"	0.81mm	29.00%
1/8"	3.17mm	3/16"	0.032", 0.040", 0.050", 0.063", 0.125"	0.81mm, 1.02mm, 1.27mm, 1.60mm, 3.17mm	40.00%
1/8"	3.17mm	7/32"	0.032"	0.81mm	29.60%
5/32"	3.97mm	3/16"	0.032", 0.063", 0.090"	0.81mm, 1.60mm, 2.29mm	63.00%
3/16"	4.76mm	1/4"	0.032", 0.040",0.050", 0.063	0.81mm, 1.02mm, 1.27mm, 1.60mm	50.00%
3/16"	4.76mm	3/8"	0.040"	1.02mm	23.00%
1/4"	6.35mm	5/16"	0.063"	1.60mm	58.00%
1/4"	6.35mm	3/8"	0.063", 0.125"	1.60mm, 3.17mm	40.00%
1/2"	12.70mm	11/16"	0.063"	1.60mm	48.00%