Hole diameter (inches)	Hole Pitch (triangular pattern) (inches)		% Open Area	Material Normally in Stock
1/16	3/32		40	C.S., 304 S.S., 316 S.S.
1/16	7/64		29.6	C.S., 304 S.S., 316 S.S.
1/8	3/16		40	C.S., 304 S.S., 316 S.S., 304L S.S., 316L S.S., Monel, Hast.C, Alloy 20, Titanium
3/16	1/4		51	C.S., 304 S.S., 316 S.S., Monel
1/4	3/8		40	C.S., 304 S.S., 316 S.S.
5/16	7/16		46	C.S., 304 S.S., 316 S.S., Monel
3/8	1/2		51	C.S., 304 S.S., 316 S.S.
1/2	11/16		48	C.S., 304 S.S., 316 S.S.