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18
9.3.3 Punch Tonnage Requirement
Stock
Thickness
Hole Diameter
1/8”
3/16”
1/4"
5/16”
3/8”
7/16”
1/2"
9/16”
5/8”
11/16”
3/4"
13/16”
7/8”
15/16”
1”
26 ga.
(.0179)
0.18
0.27
0.36
0.45
0.54
0.63
0.72
0.81
0.90
0.99
1.07
1.16
1.25
1.34
1.43
24 ga.
(.0239)
0.24
0.36
0.48
0.60
0.72
0.84
0.96
1.08
1.20
1.31
1.43
1.50
1.67
1.89
1.91
22 ga.
(.0299)
0.30
0.45
0.60
0.75
0.90
1.05
1.20
1.35
1.50
1.65
1.80
1.95
2.10
2.24
2.39
20 ga.
(.0359)
0.36
0.54
0.72
0.90
1.08
1.26
1.44
1.62
1.80
1.98
2.15
2.33
2.51
2.69
2.87
18 ga.
(.0478)
0.48
0.72
0.96
1.20
1.43
1.67
1.91
2.15
2.39
2.63
2.87
3.11
3.34
3.58
3.82
16 ga.
(.0598)
0.60
0.90
1.20
1.50
1.79
2.09
2.39
2.69
2.99
3.29
3.59
3.89
4.19
4.49
4.78
14 ga.
(.0747)
0.75
1.12
1.49
1.87
2.24
2.61
2.99
3.36
3.73
4.11
4.48
4.86
5.23
5.60
5.97
12 ga.
(.1046)
1.05
1.57
2.09
2.62
3.14
3.66
4.18
4.71
5.23
5.75
6.28
6.80
7.32
7.85
8.57
10 ga.
(.1345)
2.02
2.69
3.36
4.04
4.71
5.38
6.05
6.73
7.40
8.07
8.74
9.42
10.09
10.76
3/16 (.187)
2.81
3.74
4.68
5.61
6.50
7.48
8.42
9.35
10.29
11.22
12.16
13.09
14.03
14.96
1/4 (.250)
5.00
6.25
7.50
8.75
10.00
11.25
12.50
13.75
15.00
16.25
17.50
18.75
20.00
3/8 (.375)
11.25
13.13
15.00
16.88
18.75
20.63
22.50
24.38
26.25
28.13
30.00
1/2 (.500)
20.00
22.50
25.00
27.50
30.00
32.50
35.00
37.50
40.00
5/8 (.625)
31.25
34.38
37.50
40.63
43.75
46.88
50.00
3/4 (.750)
45.00
48.75
52.50
56.25
60.00
7/8 (.875)
61.25
65.63
70.00
1” (1.000)
80.00
Punch Tonnage Requirement Table 5
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