Product:

SFS Dekfast #14 x 1-1/2 inch long Roofing Insulation Screw, 410 Stainless Steel, Drill Point, #3 Phillip Head, 13 TPI. 1000/Box. Price/Box. Currently Unavailable until Late October 2021

Ordering Notes:

• Shipping leadtime: 2-3 business days.

Description:

Deck Materials:

• Steel thickness from 22 ga (.028 in.) thru 18 gauge with min. 3/4 inch penetration.
• Wood 2x (1-1/2 inch thick): Min penetration: 1 inch
• Plywood: Min thickness: 3/4 inch
• FR treated: min through penetration: 1/4 inch

Used Together With:

• Stress Plates (generally stainless)
• Batten Bar, Stainless

Specifications:

• 410 Stainless Steel Roofing Screws, No. 14 Size
• Self-drilling point.
• Drill point design prevents fastener walking.
• Drill point cuts through gravel and BUR.
• 13 threads per inch for ease of installation.
• Head Type: #3 Phillips
• Head Height: Max 0.118 inch
• Head Dia: Max 0.440 inch
• Thread Major Dia: 0.235 inch
• Shank Dia: 0.180 inch
• Pull-out: (lbs avg.) - Steel 24 ga: 325, Steel 22 ga: 470, Steel 20 ga: 635, Steel 18 ga: 815 3/4 inch Plywood: 495

Approvals:

Dekfast fasteners and plates are FM Factory Mutual approved for attachment of insulation board to roof deck. Refer to FM Approval Guide and Supplements for current FM approved insulation fastening patterns. #14 fasteners exceed Factory Mutual corrosion-resistance Standard 4470.

Installation Tools:

• 2000-2500 rpm screw guns with hardened #3 Phillips.

Options:

• Sizes: #14 from 1-1/2 to 12 inches

More Information

• Product Data Sheet