Tooling Available to 27" Continued

Size of Perforations:

Fraction
Decimal
Centers or Feed
Holes/
sq. inch
% open area
11/32
.344
1/2" staggered 60°
4.6
42.8
22-1/2/64
.349
1/2" staggered 60°
4.6
44
23/64
.359
1/2" staggered 60°
4.6
46.5
23-1/2/64
.367
1/2" staggered 60°
4.6
48.9
3/8
.375
7/ 16" staggered 60°
6
66.8
3/8
.375
17/32" staggered 60°
4.3
45
3/8
.375
9/16" staggered 60°
4
44
3/8
.375
13/16" staggered 60°
1.74
19
24-1/2
.383
9/16" staggered 60°
4
42.7
25/64
.391
9/16" staggered 60°
4
48
13/32
.406
9/16" staggered 60°
4
51.5
27/64
.422
19/32" staggered 60°
3.27
45.8
7/16
.438
19/32" staggered 60°
3.27
49.4
29/64
.453
5/8" staggered 60°
2.94
47.5
15/32
.469
5/8" staggered 60°
2.94
51
31/64
.484
11/16" staggered 60°
2.43
44.7
1/2
.500
11/16" staggered 60°
2.43
47.6
1/2
.500
3/4" straight 90°
optional w/feed
1/2
.500
3/4" staggered 60°
2.04
40
21/32
.656
7/8" staggered 60°
1.5
50.5
33/64
.516
11/16" staggered 60°
2.43
50.9
17/32
.531
11/16" staggered 60°
2.43
53.8
9/16
.563
3/4" staggered 60°
2.04
51
19/32
.594
3/4" staggered 60°
2.04
56.6
5/8
.625
13/16" staggered 60°
1.74
53.1
11/16
.687
7/8" staggered 60°
1.5
55.6
3/4
.750
15/16" staggered 60°
1.31
58
3/16 sq.
.1875
.312 staggered 60°
10.3
36
2/10 sq.
.200
1/4" straight 90°
16
64
1/4" sq.
.250
.288 staggered 60°
12
75
1/2" sq.
.500
11 / 16" straight 90°
2.44
53
1" sq.
1.00
13/ 16" straight 90°
.71
71
.200 x.637 sq
end slot
.250 straight
74
1/4" hex
9/32" staggered
14.5
79

 

Clark Perforating Company Inc.
15875 Allen Road, P.O. Box 179  • Milan, MI 48160
Ph: (734) 439-1170 • (800) 521-6784 • Fax: (734) 439-2791

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