1) Round 1/4" Holes

.250" dia. (6.350 mm)
5/16" centers (7.938 mm)
11.8 holes per sq. in.
58% open
16, 18, 20, 22 ga. Steel
14, 20 B&S ga. Aluminum
16, 18, 20 ga. Stainless
16, 18 ga. Steel
16 ga. Stainless
20 ga. Galvanized Steel

Other gauges and materials available.

2) Round 1/4" Holes

.250" dia. (6.350 mm)
3/8" centers (9.525 mm)
8.1 holes per sq. in.
40% open
14, 16, 18, 20 ga. Steel
14, 16 B&S ga. Aluminum
16, 18, 20 B&S ga. Stainless
1/4", 7, 11, 16, 18 ga. Steel
11, 14, 16 ga. Stainless
16 ga. Stainless Type 316

Other gauges and materials available.

3) Round 5/16" Diagonal Holes

.3125" dia. (7.938 mm)
3/8" centers (9.525 mm)
8.1 holes per sq. in.
63% open
16 ga. Steel

Other gauges and materials available.

4) Round 5/16" Diagonal Holes

.3125" dia. (7.938 mm)
7/16" centers (11.113 mm)
6.1 holes per sq. in.
47% open
16, 18 20 ga. Steel

11, 16 ga. Steel

Other gauges and materials available.

5) Round 3/8" Diagonal Holes

.375" dia. (9.525 mm)
9/16" centers (14.288 mm)
3.6 holes per sq. in.
40% open
14, 16 ga. Steel 16 ga. Stainless
7, 11, 14, 16 ga. Steel

Other gauges and materials available.

6) Round 3/8" Diagonal Holes

.375" dia. (9.525 mm)
1/2" centers (12.700 mm)
4.6 holes per sq. in.
51% open
14, 16 ga. Steel

Other gauges and materials available.

7) Round 1/2" Diagonal Holes

.500" dia. (12.700 mm)
11/16" centers (17.463 mm)
2.4 holes per sq. in.
48% open
14, 16, 18, 20 ga. Steel
16, 18 ga. Stainless
1/4", 11, 14, 16, 18 ga. Steel
18 ga. Galvanized Steel

Other gauges and materials available

.

8) Round 3/4" Diagonal Holes

.750" dia. (19.050 mm)
1" centers (25.400 mm)
1.1 holes per sq. in.
51% open
16 ga. Steel
7, 11, 16 ga. Steel

Other gauges and materials available.