HOWARD WIRE CLOTH CO.
SQUARE OPENING SPACE SCREENS
           4" to 1/8" Openings

4" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1"
3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
-
-
-

64.0%
70.9%
72.8%
74.8%
76.9%
79.0%
81.3%
83.6%
86.0%
87.2%
88.0%
88.6%
-
-
-

13.06
7.68
6.53
5.46
4.47
3.58
2.77
2.07
1.45
1.20
1.04
.94
-
-
-

3" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1"
3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
-
-

56.3%
64.0%
66.2%
68.5%
70.9%
73.5%
76.2%
79.0%
82.0%
83.5%
84.5%
85.2%
86.5%
87.5%
88.3%
89.2%
90.0%
-
-

16.50
9.79
8.35
7.00
5.76
4.62
3.59
2.68
1.90
1.57
1.36
1.23
1.01
.86
.74
.63
.53
-
-

2" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1"
3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"

44.4%
52.9%
55.4%
58.0%
60.9%
64.0%
67.3%
70.9%
74.8%
76.7%
78.1%
79.0%
80.8%
82.1%
83.2%
84.4%
85.6%
86.7%
87.8%
89.0%

22.49
13.57
11.62
9.79
8.09
6.53
5.11
3.84
2.73
2.26
1.97
1.79
1.46
1.25
1.08
.92
.78
.65
.55
.44

1-1/4" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
.105"
-
-

39.1%
41.6%
44.4%
47.5%
51.0%
54.8%
59.2%
64.0%
66.5%
68.3%
69.4%
71.8%
73.6%
75.1%
76.7%
78.4%
79.9%
81.5%
83.2%
85.1%
-
-

19.22
16.57
14.06
11.70
9.51
7.50
5.69
4.08
3.40
2.97
2.70
2.22
1.90
1.65
1.42
1.20
1.01
.85
.68
.52
-
-

3/4" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
.105"
.092"
.080"
-

29.7%
32.6%
36.0%
39.9%
44.4%
49.8%
.52.7%
54.8%
56.3%
59.2%
61.4%
63.4%
65.5%
67.6%
69.8%
71.8%
74.3%
76.9%
79.3%
81.7%
-

19.98
16.79
13.79
11.00
8.44
6.13
5.15
4.52
4.12
3.41
2.93
2.56
2.20
1.87
1.58
1.33
1.07
.83
.65
.50
-

3/8" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
.105"
.092"
.080"
.072"
.063"
.054"

25.0%
29.7%
32.5%
34.5%
36.0%
39.0%
41.5%
43.8%
46.1%
48.7%
51.4%
54.1%
57.4%
61.0%
64.5%
67.9%
70.4%
73.3%
76.4%

13.20
9.99
8.48
7.51
6.89
5.77
5.00
4.39
3.82
3.27
2.79
2.37
1.92
1.51
1.18
.91
.75
.59
.44

1/8" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

.135"
.120"
.105"
.092"
.080"
.072"
.063"
.054"
.047"
.041"
.035"
.032"

23.1%
26.0%
.29.5%
33.2%
.37.2%
40.3%
44.2%
48.8%
52.8%
56.7%
61.0%
63.4%

4.98
4.19
3.37
2.71
2.15
1.79
1.43
1.09
.85
.67
.50
.43

3-3/4" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1"
3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
-
-
-

62.3%
69.4%
71.4%
73.5%
75.7%
77.9%
80.2%
82.6%
85.2%
86.5%
87.3%
87.9%
-
-
-

13.77
8.11
6.90
5.77
4.74
3.79
2.94
2.19
1.54
1.27
1.11
1.00
-
-
-

2-3/4" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1"
3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
-

53.7%
61.7%
64.0%
66.4%
68.9%
71.6%
74.4%
77.4%
80.6%
82.2%
83.3%
84.0%
85.4%
86.5%
87.4%
88.3%
89.2%
90.0%
-

17.67
10.52
8.98
7.54
6.20
4.98
3.88
2.90
2.05
1.70
1.48
1.34
1.09
.93
.80
.69
.58
.48
-

1-3/4" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1"
3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"

40.5%
49.0%
51.6%
54.3%
57.3%
60.5%
64.0%
67.8%
71.9%
74.1%
75.6%
76.6%
78.5%
80.0%
81.2%
82.5%
83.8%
85.0%
86.2%
87.6%

24.76
15.03
12.90
10.88
9.01
7.29
5.71
4.30
3.07
2.55
2.22
2.02
1.65
1.41
1.22
1.04
.88
.74
.62
.49

1-1/8" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
.105"
.092"
-

36.0%
38.5%
41.3%
44.4%
47.9%
51.8%
56.3%
61.2%
63.8%
65.7%
66.9%
69.4%
71.3%
73.0%
74.7%
76.4%
78.1%
79.7%
81.7%
83.7%
85.5%
-

20.86
17.86
15.17
12.65
10.30
8.14
6.19
4.45
3.71
3.25
2.96
2.43
2.08
1.81
1.55
1.32
1.11
.93
.74
.58
.45
-

5/8" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
.105"
.092"
.080"
.072"
.063"

27.7%
30.9%
34.6%
39.1%
44.4%
47.4%
49.5%
51.0%
54.0%
56.4%
58.5%
60.7%
63.1%
65.4%
67.6%
70.3%
73.4%
76.0%
78.6%
80.4%
82.5%

18.87
15.57
12.47
9.61
7.03
5.91
5.20
4.76
3.94
3.40
2.97
2.56
2.18
1.85
1.56
1.25
.98
.76
.58
.48
.37

5/16" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
.105"
.092"
.080"
.072"
.063"
.054"
-
-
-

29.5%
30.9%
33.8%
36.2%
38.4%
40.8%
43.4%
46.0%
48.8%
52.2%
56.0%
59.6%
63.4%
66.1%
69.3%
72.7%
-
-
-

8.46
7.78
6.53
5.68
5.00
4.36
3.74
3.20
2.72
2.21
1.74
1.37
1.07
.88
.69
.51
-
-
-

3-1/2" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1"
3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
-

60.5%
67.8%
69.9%
72.0%
74.3%
76.6%
79.0%
81.6%
84.3%
85.6%
86.5%
87.1%
88.3%
89.1%
-

14.57
8.60
7.32
6.13
5.03
4.03
3.13
2.33
1.65
1.36
1.18
1.07
.87
.74
-

2-1/2" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1"
3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
-

51.0%
59.2%
61.5%
64.0%
66.6%
69.4%
72.4%
75.6%
79.0%
80.7%
81.9%
82.6%
84.2%
85.3%
86.2%
87.2%
88.2%
89.1%
-

19.02
11.37
9.71
8.16
6.72
5.41
4.22
3.16
2.24
1.85
1.61
1.46
1.19
1.02
.88
.75
.63
.53
-

1-1/2" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1"
3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"

36.0%
44.4%
47.0%
49.8%
52.8%
56.3%
59.9%
64.0%
68.5%
70.8%
72.4%
73.4%
75.6%
77.2%
78.6%
80.0%
81.5%
82.8%
84.2%
85.7%

27.57
16.86
14.50
12.27
10.18
8.25
6.48
4.90
3.50
2.91
2.54
2.31
1.89
1.62
1.40
1.20
1.02
.85
.72
.57

1" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

3/4"
11/16"
5/8"
9/16"
1/2" 5
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
.105"
.092"
.080"

32.6%
35.1%
37.9%
41.0%
44.4%
48.4%
52.9%
58.0%
60.8%
62.7%
64.0%
66.6%
68.6%
70.4%
72.2%
74.0%
75.9%
77.6%
79.7%
81.9%
83.9%
85.7%

22.38
19.37
16.49
13.78
11.25
8.91
6.79
4.90
4.09
3.58
3.26
2.69
2.31
2.01
1.72
1.46
1.23
1.04
.83
.64
.50
.38

1/2" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
.105"
.092"
.080"
.072"
.063"
-

25.0%
28.4%
32.7%
37.9%
40.8%
42.9%
44.4%
47.5%
49.8%
52.2%
54.5%
57.1%
59.5%
62.0%
65.0%
68.3%
71.3%
74.3%
76.4%
78.9%
-

16.96
14.42
11.19
8.24
6.96
6.14
5.62
4.68
4.04
3.54
3.06
2.61
2.22
1.88
1.51
1.18
.93
.71
.58
.45
-

1/4" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
.105"
.092"
.080"
.072"
.063"
.054"
.047"
-
-
-

25.0%
27.7%
29.9%
32.0%
34.3%
36.8%
39.4%
42.2%
45.6%
49.6%
53.4%
57.4%
60.3%
63.8%
67.6%
70.9%
-
-
-

8.95
7.55
6.59
5.82
5.08
4.38
3.76
3.21
2.62
2.07
1.64
1.28
1.06
.83
.62
.48
-
-
-

3-1/4" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1"
3/4"
11/16
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"

58.5%
66.0%
68.1%
70.3%
72.6%
75.0%
77.6%
80.4%
83.2%
84.6%
85.6%
86.2%
87.5%
88.4%
89.2%

15.47
9.16
7.80
6.54
5.37
4.31
3.35
2.50
1.76
1.46
1.26
1.15
.93
.79
.69

2-1/4" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

1"
3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"

47.9%
56.2%
58.7%
61.2%
64.0%
66.9%
70.1%
73.4%
77.1%
78.9%
80.2%
81.0%
82.6%
83.9%
84.9%
85.9%
87.0%
88.0%
89.0%

20.61
12.37
10.58
8.90
7.34
5.91
4.62
3.46
2.46
2.04
1.77
1.61
1.31
1.12
.97
.83
.70
.59
.49

1-3/8" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

3/4"
11/16"
5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
-

41.9%
44.4%
47.3%
50.4%
53.8%
57.6%
61.7%
66.4%
68.8%
70.5%
71.6%
73.9%
75.6%
77.0%
78.5%
80.0%
81.5%
82.9%
84.6%
-

17.97
15.47
13.10
10.88
8.83
6.95
5.26
3.77
3.14
2.74
2.49
2.04
1.75
1.52
1.30
1.10
.92
.78
.62
-

7/8" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

5/8"
9/16"
1/2"
7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
.105"
.092"
.080"
-
-

34.0%
37.0%
40.5%
44.4%
49.0%
54.3%
57.1%
59.1%
60.5%
63.3%
65.3%
67.2%
69.2%
71.2%
73.5%
75.1%
77.3%
79.7%
81.9%
83.9%
-
-

18.06
15.13
12.38
9.84
7.52
5.44
4.55
3.99
3.64
3.01
2.58
2.25
1.93
1.64
1.38
1.17
.93
.72
.56
.43
-
-

7/16" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

7/16"
3/8"
5/16"
.283"
.263"
.250"
.225"
.207"
.192"
.177"
.162"
.148"
.135"
.120"
.105"
.092"
.080"
.072"
.063"
-
-

25.0%
29.0%
34.0%
36.9%
39.0%
40.5%
43.6%
46.0%
48.3%
50.7%
53.2%
55.8%
58.4%
61.5%
65.0%
68.3%
71.5%
73.7%
76.4%
-
-

15.40
12.20
9.03
7.64
6.75
6.19
5.16
4.47
3.92
3.40
2.90
2.47
2.09
1.69
1.33
1.04
.80
.66
.51
-
-

3/16" SPACE OR
CLEAR OPENING

 DIAMETER
OF WIRE
IN INCHES

% OF
OPEN
AREA

LBS.PER
SQ. FT.
PLAIN
STEEL

.192"
.177"
.162"
.148"
.135"
.120"
.105"
.092"
.080"
.072"
.063"
.054"
.047"
.041"
-
-
-
-
-

24.4%
26.5%
28.8%
31.3%
33.8%
37.2%
41.1%
45.1%
49.1%
52.2%
56.0%
60.3% .
63.9%
67.3%
-
-
-
-
-

6.97
6.12
5.30
4.57
3.92
3.22
2.56
2.04
1.60
1.33
1.05
.79
.62
.48
-
-
-
-
-

Any Questions? Give Us A Call.

HOWARD WIRE CLOTH CO.
28976 Hopkins St. Ste.A
Hayward, CA 94545-5096
Google Map
Phone 510.887.8787
Toll Free 800.969.3559
Fax 510.786.4167
E-mail: sales@howardwire.com

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