Circles
NH-075
X
X
X
X
X
 X
3/4" dia.
12 x 18
12
18
216
21,600
100
NH-075-3
X
X
X
  
3/4" dia.
12 x 18
12
18
216
54,000
250
NH-100
X
X
X
X
X
 X
1" dia.
12 x 18
10
14
140
14,000
100
NH-100-3
X
X
X
  
1" dia.
12 x 18
10
14
140
35,000
250
NH-150
X
X
X
X
X
 X
1 1 /2" dia.
12 x 18
7
10
70
7,000
100
NH-150-3
X
X
X
  
X
  
1 1 /2" dia.
 12 x 18
7
10
70
17,500
250
NH-200
X
X
X
X
  
2" dia.
 12 x 18
5
8
40
4,000
100
NH-200-3
X
X
X
  
2" dia.
 12 x 18
5
8
40
10,000
250
NH-250
X
X
X
X
X
 X
2 1 /2" dia.
 12 x 18
4
6
24
2,400
100
NH-250-3
X
X
X
X
  
2 1 /2" dia.
 12 x 18
4
6
24
6,000
250
NH-300
X
X
X
X
  
3" dia.
 12 x 18
3
5
15
1,500
100
NH-300-3
X
X
X
  
3" dia.
 12 x 18
3
5
15
3,750
250
NH-325
X
X
X
X
  
3 1/4 " dia.
 12 x 18
3
5
15
1,500
100
NH-325-3
X
X
X
  
3 1/4 " dia.
 12 x 18
3
5
15
3,750
250
NH-550
X
X
X
X
  
5 1 /2" dia.
 12 x 18
2
6
12
1,200
100
NH-550-3
X
X
X
  
5 1 /2" dia.
 12 x 18
2
6
12
3,000
250