Sheet Metal
Last updated on Tuesday, February 23, 2021 07:13:14 AM Mountain US Time Zone

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Shear Animation, Gauge, Gauge Table,
Shear, Press Brake & Slip Roll Tool,
Slip Rolls, Tin Snips

Shear Animation

Animation showing roll cover opening, shear action & brake. 
Shear, Press Brake & Slip Roll Manual
Sheet Metal Bending overview article.

Gauge

US standard gauge for uncoated
sheet & plate, iron, & steel.

General No. 21 sheet metal gauge & instructions
(gauge front, above & decimal back, below).



American standard wire gauge for non-ferrous metals
(gauge front, above & decimal back, below).
Wire Gauge table.

Sheet Metal Gauge Table
Gauge # (ga) Standard Steel
Thickness (inches)
Galvanized Steel
Thickness (inches)
Stainless Steel
Thickness (inches)
Aluminum
Thickness (inches)
3 0.2391   .250 0.2294
4 0.2242   .234 0.2043
5 0.2092   .219 0.1819
6 0.1943   .203 0.1620
7 0.1793   .188 0.1443
8 0.1644   .172 0.1285
9 0.1495 0.1532 .156 0.1144
10 0.1345 0.1382 .141 0.1019
11 0.1196 0.1233 .125 0.0907
12 0.1046 0.1084 .109 0.0808
13 0.0897 0.0934 .094 0.0720
14 0.0747 0.0785 .078 0.0641
15 0.0673 0.0710 .070 0.0571
16 0.0598 0.0635 .062 0.0508
17 0.0538 0.0575 .056 0.0453
18 0.0478 0.0516 .050 0.0403
19 0.0418 0.0456 .044 0.0359
20 0.0359 0.0396 .038 0.0320
21 0.0329 0.0366 .034 0.0285
22 0.0299 0.0336 .031 0.0253
23 0.0269 0.0306 .028 0.0226
24 0.0239 0.0276 .025 0.0201
25 0.0209 0.0247 .022 0.0179
26 0.0179 0.0217 .019 0.0159
27 0.0164 0.0202 .017 0.0142
28 0.0149 0.0187 .016 0.0126
29 0.0135 0.0172 .014 0.0113
30 0.0120 0.0157 .013 0.0100
31 0.0105 0.0142 .011 0.0089
32 0.0097 0.0134 .010 0.0080
33 0.0090   .0094 0.0071
34 0.0082   .0086 0.0063
35 0.0075   .0078 0.0056
36 0.0067   .0070  

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Shear, Press Brake & Slip Roll Tool

12" shear, box brake & slip roll tool with roller
cover open. Weight: 120 lb (54.4 kg).


Material hold-down fixture removed to expose
blade. 1", 2", 2", 3" & 4" brake blades

can be selected in different combinations.
The brake anvil is for 90 deg bends, only.

Slip Rolls

Rear views.

Tin Snips

Left-handed (red), straight (yellow), &
right-handed (green) tin snips.

Shear Animation, Gauge, Gauge Table,
Shear, Press Brake & Slip Roll Tool,
Slip Rolls, Tin Snips

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