#12 X 4-1/2 in. Dekfast Hex Washer Head Roofing Screw (1000) - SFS Dekfast 790102, #12-13 X 4-1/2 inch Roofing Screws. 1/4 inch Hex Head Drive, 13 TPI, Drill Point. 1000/Carton. Price/Carton. (aks # C7450-995B; shipping leadtime 1-2 business days)
 
#12 X 4-1/2 in. Dekfast Hex Washer Head Roofing Screw (1000)
DEK-12X412-HWH
$180.00 SALE $137.95
(Savings: $42.05)
 
 Buy 10 or more and pay $129.75 each (save $50.25) 
 
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Product:

SFS Dekfast 790102, #12-13 X 4-1/2 inch Roofing Screws. 1/4 inch Hex Head Drive, 13 TPI, Drill Point. 1000/Carton. Price/Carton. (aka # C7450-995B; shipping leadtime 1-2 business days)

APPLICATIONS:

For insulation attachment to STRUCTURAL CONCRETE, wood and steel roof decks.

Materials:

  • Steel thickness from 22 ga (.028 in.)
  • Through 18 ga (.045 in.): Min penetration: 3/4"
  • Wood 2x (1-1/2" thick): Min penetration: 1"
  • Plywood: Min thickness: 3/4"
  • FR treated; min through penetration: 1/4"

Use with:

  • Dekfast 2-7/8" hex metal plates
  • Dekfast 3" round plastic Dekflat plates

SPECIFICATIONS:

Coated Steel Roofing Screws, No. 12 with a self-drilling point. The screws have a 0.2-mil (0.005 mm) galvanized plating and a 1-mil (0.025 mm) fluorocarbon coating.

  • Drill point design prevents fastener walking
  • Drill point cuts through gravel and BUR
  • 13 threads per inch for ease of installation in concrete decks
  • 1/4" Hex Head Drive provides good bit engagement
  • Head Types: 1/4" Hex Head
  • Head Dia: Max .448"
  • Thread Major Dia: .222"
  • Shank Dia: .167"
  • Strength (lbs ult.):
    Tensile: 2410
    Torsional: 76 in-lbs min
    Shear: 1815
  • Pull-out: (lbs avg.):
    Steel 22 ga: 513
    Steel 20 ga: 695
    Steel 18 ga: 787
    4000 psi concrete: 850 (1" min penetration)
  • 2x dimensional lumber (1" penetration): 462
  • 3/4" FR Plywood (through penetration): 575

APPROVALS:

Dekfast fasteners and plates are Metro Dade and 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. #12 fasteners exceed Factory Mutual corrosion-resistance Standard 4470.

OPTIONAL SIZES:

Available in

  • 12 from 1-5/8 to 8"
  • 14 from 1-1/4 to 12"
  • 15 from 1-1/4 to 26"
  • 12 hex head from 1-5/8 to 8"
  • 12 assembled to 3" round plates
  • 12 Isofast belted
  • 15 Isofast belted

More Product Information:

Questions?

Email us at sales@bestmaterials.com or
Call us at 1-800-474-7570 or 602-272-8128
You'll get a prompt reply!

similar product terms: deck screw, roofing insulation screw, roofing screw, dekfast, dek fast, roofing fasteners, membrane fasteners, SFS, membrane screws, insulation board fasteners, insulation board screws
 


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