Tons of
Pressure Required To Punch Mild Steel (Tonnage based on Flat
Punches)
Round Hole
Diameter
Ga.
20
18
16
14
12
11
10
3/16"
1/4"
In.
.036
.048
.062
.075
.105
.120
.135
.188
.250
1/8"
.4
.5
.6
.7
1.0
1.2
1.3
-
-
3/16"
.5
.7
.9
1.1
1.5
1.8
2.0
2.8
-
1/4"
.7
.9
1.2
1.5
2.1
2.4
2.6
3.7
4.9
5/16"
.9
1.2
1.5
1.8
2.6
2.9
3.3
4.6
6.1
3/8"
1.1
1.4
1.8
2.2
3.1
3.5
4.0
5.5
7.4
7/16"
1.2
1.6
2.1
2.6
3.6
4.1
4.6
6.4
8.6
1/2"
1.4
1.9
2.3
2.9
4.1
4.7
5.3
7.4
9.8
9/16"
1.6
2.1
2.6
3.3
4.6
5.1
5.9
8.3
-
5/8"
1.8
2.4
2.9
3.7
5.1
5.9
6.6
9.2
-
11/16"
1.9
2.6
3.2
4.0
5.7
6.2
7.3
-
-
3/4"
2.1
2.8
3.5
4.4
6.2
7.1
7.9
-
-
13/16"
2.3
3.1
3.8
4.8
6.7
7.6
8.6
-
-
7/8"
2.5
3.3
4.1
5.1
7.2
8.3
9.2
-
-
15/16"
2.6
3.5
4.4
5.5
7.7
8.8
9.9
-
-
1"
2.8
3.8
4.7
5.9
8.2
9.4
-
-
-
Alaska, Hawaii and International
orders will incur extra charges for shipping
Trailer delivery available to most locations for just $1.50 per loaded
mile
Financing available: US Bank -
1-937-339-2329 or
Email
