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Perforated Metals with Round Holes Tooling to 36"

Perforated Metals With Round Holes Up To 36 Inches Wide

Clark Perforating Company, Inc. offers a large variety of standard and custom patterns and perforation types. Our state-of-the-art computer controlled presses can produce round, square, oblong, and slot, straight line and staggered hole patterns. We are capable of producing custom patterns to meet the most stringent requirements. Call us today to request a quote on your custom perforation needs.

Perforated Metals with Round Holes - Up to 36" - Staggered Pattern 60°

Perforated Metals With Round Holes Up To 36 Inches Wide 60 Degree Staggered Pattern Illustrated
Perforated Metals With Round Holes Up To 36 Inches Wide Staggered

The following are examples of Stock Perforating Dies available for Standard Jobs of perforating round holes in a staggered, 60° pattern. These dies perforate brass, copper, zinc, steel, plastics, aluminum, hard board, monel metal, type 430 stainless, tin plate, galvanized, aluminized steel, specializing in 16 ga. & lighter. Perforation patterns for Stainless Steel are available down to 1/8" diameter hole in 22ga maximum thickness.

  • Sizes from 1/16" to 3/4" diameter holes
  • 1.31 to 131 holes per square inch
  • 7.4%-65.6% open area
Hole Size Fraction
Hole Size Decimal
Centers or Feed
Holes per sq. inch
% Area Open
3/8 x 3/4 oblong
N/A
9/16" end staggered
N/A
N/A
12/64 x 3/4 oblong
N/A
3/8" side staggered
N/A
N/A
1/16 in
0.062 in
3/32" staggered 60º
131
40.5 %
1/16 in
0.062 in
1/8" staggered 60º
74
22.5 %
1/16 in
0.063 in
7/32" staggered 60º
N/A
7.4 %
N/A
0.075 in
100 staggered 60º
N/A
54.3 %
5/64 in
0.078 in
1/8" staggered 60º
74
35.2 %
1/12 in
0.083 in
31/8" staggered 60º
74
40.0 %
3/32 in
0.0937 in
5/32" staggered 60º
47
32.4 %
3/32 in
0.0937 in
3/16" staggered 60º
33
22.8 %
3/32 in
0.0937 in
0.250 staggered 60º
18
13 %
N/A
0.097 in
1/8" staggered 60º
74
55 %
7/64 in
0.109 in
7/32" staggered 60º
24
22.4 %
7/64 in
0.109 in
3/16" staggered 60º
33
31 %
1/8 in
0.125 in
3/16" staggered 60º
33
40.5 %
1/8 in
0.125 in
7/32" staggered 60º
24
29.4 %
1/8 in
0.125 in
1/4" staggered 60º
18-1/2
23 %
1/8 in
0.125 in
3/8" staggered 60º
8
9 %
5/32 in
0.156 in
3/16" staggered 60º
33
63 %
5/32 in
0.156 in
7/32 " staggered 60º
24
45.8 %
5/32 in
0.156 in
1/4" staggered 60º
18-1/2
35.3 %
3/16 in
0.187 in
1/4" staggered 60º
18-1/2
51 %
3/16 in
0.187 in
9/32" staggered 60º
14-1/2
40 %
3/16 in
0.187 in
5/16" staggered 60º
11.8
32.4 %
3/16 in
0.187 in
3/8" staggered 60º
8.18
23 %
3/16 in
0.187 in
1/2" staggered 60º
4.8
13 %
1/4 in
0.250 in
5/16" staggered 60º
11.85
58 %
1/4 in
0.250 in
3/8" staggered 60º
8.18
40 %
17/64 in
0.266 in
5/16" staggered 60º
11.85
65.6 %
5/16 in
0.312 in
7/16" staggered 60º
6
46.7 %
3/8 in
0.375 in
1/2" staggered 60º
4.6
51 %
25/64 in
0.391 in
9/16" staggered 60º
4
48 %
1/2 in
0.500 in
11/16" staggered 60º
2.43
44.7 %
5/8 in
0.625 in
7/8" staggered 60º
1.5
47 %
3/4 in
0.750 in
15/16" staggered 60º
1.31
58 %

Perforated Metals with Round Holes - Up to 36" Wide - Diagonal Pattern 45°

Perforated Metals With Round Holes Up To 36 Inches Wide - Diagonal Pattern

The following are examples examples of Stock Perforating Dies available for Standard Jobs of perforating round holes in a 45° diagonal pattern. These dies perforate brass, copper, zinc, steel, plastics, aluminum, hard board, monel metal, type 430 stainless, tin plate, galvanized, aluminized steel, specializing in 16 ga. & lighter. Perforation patterns for Stainless Steel are available down to 1/8" diameter hole in 22ga maximum thickness.

  • Sizes from 1/16" to 5/32" diameter holes.
  • 12.5 to 50 holes per square inch
  • 15.2% -22% open area
Hole Size Fraction
Hole Size Decimal
Centers or Feed
% Area Open
1/16 in
0.063 in
1/4" diagonal 45º
5.5 %
5/64 in
0.078 in
0.177 diagonal 45º
15.2 %
5/64 in
0.078 in
0.250 diagonal 45º
8.6 %
3/32 in
0.0937 in
0.243 diagonal 45º
12.4 %
3/32 in
0.0937 in
0.486 diagonal 45º
3.1 %
1/8 in
0.125 in
0.250 diagonal 45º
22 %
5/32 in
0.156 in
200 diagonal 45º
48 %

Perforated Metals with Round Holes - Up to 36" Wide - Straight Pattern 90°

Perforated Metals With Round Holes Up To 36 Inches Wide Stright Pattern
Perforated Metals With Round Holes Up To 36 Inches Wide Straight

The following are examples of Stock Perforating Dies available for Standard Jobs of perforating round holes in a straight line pattern. These dies perforate brass, copper, zinc, steel, plastics, aluminum, hard board, monel metal, type 430 stainless, tin plate, galvanized, aluminized steel, specializing in 16 ga. & lighter. Perforation patterns for Stainless Steel are available down to 1/8" diameter hole in 22ga maximum thickness.

  • Sizes from 1/8" to 1/2" diameter holes
  • 4 to 42 holes per square inch
  • 11% -66% open area
Hole Size Fraction
Hole Size Decimal
Centers or Feed
Holes per sq. inch
% Area Open
1/8" sq.
0.125 in
0.156 straight 90º
42
66 %
3/16 in
0.187 in
1/2" straight 90º
4
11 %
3/8" sq.
0.375 in
1/2" straight 90º
4
56 %
1/2 in
0.500 in
15/16" straight 90º
Optional with feed
N/A
1/2 in
0.500 in
1" straight 90º
Optional with feed
N/A