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quik-drive-general-load-tables

Quik Drive® Collated Screws – General Load Tables

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<h1>Quik Drive&reg; Collated Screws &mdash; General Load Tables</h1>

<p><strong>Screw Strength</strong></p>

<img alt="quikdrive-general-screw-strength" src="https://embed.widencdn.net/img/ssttoolbox/q6dcieeal6/exact/quikdrive-general-screw-strength.jpg">

<ol>
  <li>Table based on testing per AISI Standard Test Method S904-08.</li>
  <li>Factor of Safety (&Omega;), and Resistance Factor (&phi;) are determined per AISI S100-07 Section F1.</li>
  <li>P<sub>ss</sub> and P<sub>ts</sub> are nominal shear strength and nominal tension strength values for the screw, respectively, and are also known as the average (ultimate) values of all tests; determined by independent laboratory testing.</li>
</ol>

<h2>Quik Drive DWF and DWFSD Screws</h2>

<p><strong>Nominal Shear Strength (Rn) for Wind and Seismic Loads Shear Walls (Wind and Seismic Loads) Faced with 1/2" Gypsum Board (lbs/ft)</strong></p>

<img alt="DWF-DWFSD-shear-strength-shearwalls-with-gypsum" src="https://embed.widencdn.net/img/ssttoolbox/dwlkksislf/exact/DWF-DWFSD-shear-strength-shearwalls-with-gypsum.jpg">

<ol>
  <li>Nominal strength shall be multiplied by the resistance factor (&phi; = 0.6 LRFD Seismic, &phi; = 0.65 LRFD Wind) to determine design strength or divided by the safety factor (&Omega; = 2.5 ASD Seismic, &Omega; = 2.0 ASD Wind) to determine allowable strength.</li>
  <li>For gypsum sheathed shear walls, tabulated values shall be applicable for short-term load duration only (wind or seismic loads). </li>
  <li>Gypsum board shall comply with ASTM C1396.</li>
  <li>Gypsum Board shall be applied horizontal with 33 mil strap blocking of 1 1/2" width, In addition, solid blocking is required between the first two end studs. Alternatively, sheets may be applied vertically or values can be multiplied by 0.35.</li>
  <li>Studs and track shall be a minimum thickness of 33 mils.</li>
  <li>Table based on Table C2.1-1 AISI Standard <em>North American Standard for Cold-Form Steel Framing-Lateral Design 2007 Edition with Supplement No. 1 and Commentary.</em></li>
</ol>

<h2>Quik Drive PHSD (#10) Screws</h2>

<p><strong>PHSD (#8) Screw &mdash; (Sheet Steel Sheathing-to-CFS) Nominal Shear Strength (Rn) for Wind (W) and Seismic (S) for Shear Walls<sup>1</sup> (lb./ft.)</strong></p>

<img alt="PHSD-shearwall-loads" src="https://embed.widencdn.net/img/ssttoolbox/ivfjtru0fh/exact/PHSD-shearwall-loads.jpg">

<ol>
  <li>Nominal strength shall be multiplied by the resistance factor (&phi; = 0.6, LRFD Seismic, &phi; = 0.65, LRFD Wind) to determine design strength or divided by the safety factor (&Omega; = 2.5, ASD Seismic, &Omega; = 2.0, ASD Wind) to determine allowable strength.</li>
  <li>Screws in the field of the panel shall be installed 12" (305 mm) on center (o.c.).</li>
  <li>Shear wall height to width aspect ratio (h/w) greater than 2:1, but not exceeding 4:1, shall be permitted provided the nominal strength values are multiplied by 2w/h.</li>
  <li>Wall studs and track shall be of ASTM A1003 Stuctural Grade 33 (Grade 230) Type H steel for members with a designation thickness of 33 and 43 mils.</li>
  <li>In lieu of blocking, panel edges shall be permitted to be overlapped and attached to each other with screw spacing as required for panel edges. Where such a connection is used, tabulated design values shall be reduced 30%.</li>
  <li>Maximum stud spacing 24" o.c.</li>
  <li>Blocking, if applicable, shall be a minimum 33 mil 1 1/2" width. 8. Table based on Table C2.1-3 AISI Standard "North American Standard for Cold-Form Steel Framing-Lateral Design 2007 Edition with Supplement No. 1 and Commentary".</li>
  <li>Table based on Table C2.1-1 AISI Standard <em>North American Standard for Cold-Form Steel Framing-Lateral Design 2007 Edition with Supplement No. 1 and Commentary.</em></li>
</ol>

<h2>Quik Drive FPHSD (#10) Screws</h2>

<p><strong>FPHSD (#10) Screw &mdash; (Sheet Steel Sheathing-to-CFS) Nominal Shear Strength (Rn) for Wind (W) and Seismic (S) for Shear Walls<sup>1</sup> (lb./ft.)</strong></p>

<img alt="FPHSD-shearwall-loads" src="https://embed.widencdn.net/img/ssttoolbox/ke4jb6rccs/exact/FPHSD-shearwall-loads.jpg">

<ol>
  <li>Nominal strength shall be multiplied by the resistance factor (&phi; = 0.6, LRFD Seismic, &phi; = 0.65, LRFD Wind) to determine design strength or divided by the safety factor (&Omega; = 2.5, ASD Seismic, &Omega; = 2.0, ASD Wind) to determine allowable strength.</li>
  <li>Screws in the field of the panel shall be installed 12" (305 mm) on center (o.c.).</li>
  <li>Shear wall height to width aspect ratio (h/w) greater than 2:1, but not exceeding 4:1, shall be permitted provided the nominal strength values are multiplied by 2w/h.</li> 
  <li>Wall studs and track shall be of ASTM A1003 Stuctural Grade 33 (Grade 230) Type H steel for members with a designation thickness of 33 and 43 mils.</li>
  <li>In lieu of blocking, panel edges shall be permitted to be overlapped and attached to each other with screw spacing as required for panel edges. Where such a connection is used, tabulated design values shall be reduced 30%.</li>
  <li>Maximum stud spacing 24" o.c.</li>
  <li>Blocking, if applicable, shall be a minimum 33 mil 1 1/2" width. 8. Table based on Table C2.1-3 AISI Standard "North American Standard for Cold-Form Steel Framing-Lateral Design 2007 Edition with Supplement No. 1 and Commentary".</li>
  <li>Table based on Table C2.1-1 AISI Standard <em>North American Standard for Cold-Form Steel Framing-Lateral Design 2007 Edition with Supplement No. 1 and Commentary.</em></li>
</ol>

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