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| SECTION 2: DIRECTORY OF GENERAL INFORMATION |
| | GENERAL | APPLICATION INDEX | FASTENER INFORMATION GUIDE | TECH INFO FOR SELF DRILLING SCREWS | PLATING | FAQ | ASTM | PROBLEM SOLVER SHEET | PRODUCT CERTIFICATIONS | |
STEEL METAL GAUGE1 |
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Nominal Gauge2 |
Minimum Thickness3 (Inches) |
Mils |
Maximum Design Thickness4 (Inches) |
| 26 | 0.0163 | 16 | 0.0172 |
| 25 | 0.0179 | 18 | 0.0188 |
| 22 | 0.0269 | 27 | 0.0283 |
| 20 | 0.0329 | 33 | 0.0346 |
| 18 | 0.0428 | 43 | 0.0451 |
| 16 | 0.0538 | 54 | 0.0566 |
| 14 | 0.0677 | 68 | 0.0713 |
| 12 | 0.0966 | 97 | 0.1017 |
| 10 | 0.1180 | 118 | 0.1240 |
| FOR
SI: 1 inch = 25.4mm. 1 mil = 0.0254 mm. 1 All dimensions are inches or mils, uncoated. 2 U.S. standard gauge for uncoated hot- and cold-rolled sheets. Gauge numbers are only provided as a reference and should not be used to order, design or specify steel studs or joists. 3 Minimum thickness of material delivered to the job site. 4 Design thickness of steel studs / joists shall not exceed the minimum thickness divided by 0.95. Design thickness = Min. thickness / 0.95. 5 Chart above as noted in ICBO AC 46 acceptance criteria. |
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Nominal Size |
Basic Screw Diameter |
Actual Size |
0 |
0.0600 |  |
1 |
0.0730 | |
| 2 | 0.0860 | |
| 3 | 0.0990 | |
| 4 | 0.1120 | |
| 5 | 0.1250 | |
| 6 | 0.1380 | |
| 7 | 0.1510 | |
| 8 | 0.1640 | |
| 10 | 0.1900 | |
| 12 | 0.2160 | |
| 1/4 | 0.2500 | |
| 5/16 | 0.3125 | |
| 3/8 | 0.3750 | |
Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted. Sizes shown in highlighted are preferred. |
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Copyright 2001, Compass International, Inc. |