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The SFS Dekfast™ Bulk #12 Truss Head Screws with #3 Phillips Drive is built for insulation attachment to steel and wood.
- Extra stable #3 Phillips drive
- Deep buttress threads and 13 threads per inch provide higher pull-out values
- Drill point design prevents fastener walking and cuts through gravel and BUR for quick installation in new or re-roof applications
- Black cathodic epoxy e-coating
Use with:
3" Round Metal Plates, 2-7/8" Hex Metal Plates or 3" Round Plastic Plates
Materials
STEEL THICKNESS FROM 22 ga. THROUGH 18 ga. - Minimum penetration: 3/4"
WOOD 2x (1-1/2" thick) - Minimum penetration: 1"
FR TREATED PLYWOOD WITH A MINIMUM THICKNESS OF 3/4"- Minimum through penetration: 1/4"
Installation
Use 2000 - 2500 RPM screw guns with hardened #3 Phillips bit.
Capacities
Fastener Length | STEEL | WOOD | CONCRETE |
1-5/8” | Up to 7/8” | Up to 5/8” | N/A |
2-1/4” | 5/8” to 1-1/2” | Up to 1-1/4” | N/A |
2-7/8” | 5/8” to 2-1/8” | Up to 1-1/8” | N/A |
3-1/4” | 1/2” to 2-1/2” | 1/2” to 2-1/4” | N/A |
3-3/4” | 1” to 3” | 1” to 2-3/4” | N/A |
4-1/2” | 3/4” to 3-3/4” | 3/4” to 3-1/2” | N/A |
5” | 1-1/4” to 4-1/2” | 1-1/4” to 4” | N/A |
6” | 2-1/4” to 5-1/4” | 2-1/4” to 5” | N/A |
7” | 3-1/4” to 6-1/4” | 3-1/4” to 6” | N/A |
8” | 4-1/4” to 7-1/4” | 4-1/4” to 7” | N/A |
Certifications, Standards, and Regulations
- FM Approved
- 12-1017.07
- FL20311
Vendor Part #: | 6600 |
Color: | Black |
Head Diameter: | Max .448" |
Head Height: | Max .118" |
Head Type: | Truss (Mushroom) |
Shank: | .167" |
Shear Strength: | 1815 lbs ult. |
Tensile Strength (average): | 2410 lbs ult. |
Thread Diameter: | .222" |
Torsional: | 76 in-lbs min |
Pull-Out - Steel 22 ga.: | 513 lbs |
Pull-Out - Steel 20 ga.: | 695 lbs |
Pull-Out - Steel 18 ga.: | 787 lbs |
Pull-Out - 2x Dimensional Lumber: | (1" Penetration) 462 lbs |
Pull-Out - 3/4" FR Plywood: | (Through Penetration) 575 lbs |
- √for Roofing Applications
- √for Wood
- √for Metal
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