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| SECTION 9: SELF-DRILLING TYPE ‘SD’ SCREWS |
| | GENERAL | PART LIST | APPLICATION INDEX | SELECTION GUIDE | THICKNESS RECOMMENDATIONS | TROUBLE SHOOT | ULTIMATE TEST VALUE | ICBO 5202 | MISC | |
| APPLICATION BY PART NUMBER (STEEL TO STEEL) | ||||||
| Base materials | Material to be attached | |||||
| Less than 20 GA | To 20 GA | To18 GA | To 16 GA | To 12 GA | To 14 GA | |
| Less than 20 GA | See MarkerŽ section | Not recomm. | Not recomm. | Not recomm. | Not recomm. | Not recomm. |
| 20 GA | See MarkerŽ section |
44300 43220 41040 40220 40380 40360 47040 |
Not recomm. | Not recomm. | Not recomm. | Not recomm. |
| 18 GA | 44300 43220 41040 40220 40380 40360 47040 |
43220 41040 47040 40220 40380 40360 41260 |
43220 41040 47040 40220 40360 41260 |
Not recomm. | Not recomm. | Not recomm. |
| 16 GA | 47040 43220 41040 40360 |
40220 43260 41260 41300 40360 |
40220 41260 41300 |
41260 41300 40220 40330 |
Not recomm. | Not recomm. |
| 14 GA | 47040 43220 41040 40360 |
47040 43220 41040 40360 |
40220 41260 41300 40330 |
41300 41400 |
41300 41400 |
Not recomm. |
| 12 GA | 41260 41300 |
40220 41260 41300 |
41300 41400 |
41300 41400 |
41400 45000 |
41400 45000 |
APPLICATION BY PART NUMBER (WOOD TO STEEL) |
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| Base materials | Material to be attached | |||||
| To sheathing 1/8” to 1/4” | To sheathing3/8” to 1/2” | To 5/8” ply or pb, osb | To 3/4” ply t&g osb, pb | To to 1-1/8” wood | To gypsum | |
| 20 GA .0359" |
See MarkerŽ section 30040 44080 |
See MarkerŽ section 30040 44080 18080 19300 19400 |
19300 19400 48260 18080 44080 48270 |
19420 19320 48270 18080 48260 |
N/A | 44080 44100 44120 |
| 18 GA .0478" | 46020 | 46040 46060 48260 |
19400 48090 48270 19300 48260 |
19400 48090 48270 19300 48260 |
48210 48200 |
See bugleŽ Darts |
| 16 GA .0598" | 46020 | 46040 46060 48260 44400 |
48090 48260 48270 |
48090 48260 46100 48270 |
48210 48200 |
See bugleŽ Darts |
| 14 GA .075" | 46020 | 46040 46060 48260 44400 |
48090 48260 |
48090 46100 48260 |
48210 48200 |
See bugleŽ Darts |
| 12 GA .105" | 46020 | 46040 46060 48260 44400 |
44610 48090 48260 |
48090 46100 48260 |
48210 48200 46180 |
See bugleŽ Darts |
SELF-DRILLING SCREW BASIC APPLICATION INDEX |
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| APPLICATION | FASTENER1 |
| Steel to Steel Non-Load Bearing (less than 33 mils) | #6 minimum, sharp point, low profile. |
| Steel to Steel Load Bearing | #8 minimum, drill point, low profile where gypsum board and sheathing is installed; hex head elsewhere. |
| X - Bracing | #8 minimum, drill point, low profile. |
| Gypsum Board | #6 minimum, sharp point for 33 mils or thinner. Drill point for 33 mils or thicker, bugle head. |
| Interior Trim | #6 trim head screws, or finishing nails and adhesive. |
| Foam Insulation | Roofing nails to structural sheathing, or #6 minimum, drill point, bugle head screws with washer to steel. |
| Structural Sheathing (OSB/Plywood) | #8 minimum, drill or winged drill point, bugle head screws |
| Stucco Lath | Roofing nails to structural sheathing, or #8 minimum, drill point, low profile screws to steel. |
| Siding - Hardboard, Fiber Cement, or Panel2 | #8 minimum, drill or winged drill point, bugle head screws to steel, sharp point to structural sheathing. |
| Vinyl Siding2 | #8 minimum, sharp point to structural sheathing, drill point to steel. |
| Brick Ties | #8 minimum, drill point, hex head screw. |
| 1 Length of the
fasteners varies depending on the thickness on the material being fastened. Screw
connections require that the fastener penetrate all layers of material, plus a minimum of
three exposed threads. Number of fasteners to be specified by the code or engineer. 2 Refer to manufactures recommendations of fastening requirements. |
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Copyright 2001, Compass International, Inc. |