Product Review
Hex Washer Head Self-Drilling Screw #8 X 1/2'', Zinc-Plated Steel
For use in Sheet Metal Steel, Attaches Metal to Metal. RoHs Compliant
  Packaged box of 100 pcs.
  #8 x 1/2'' Screw
PRODUCT FEATURES:
    Hex Washer Head distributes holding pressure to thin metal.
    Use these screws to secure metal to metal.
    Save Time and Effort by drilling their own holes and fastening in a single operation.
    Made from Steel, they have a Zinc Plating to resist corrosion in weather environments.
SPECIFICATIONS:
    #8-18 Thread x 1/2" Long, Hex Head
    Material: Zinc-Plated Stainless Steel
    Drill Capacity: 0.035'' to 0.100''
    Drill Speed: 2500 RPM
    Meets ASTM C 1513 for cold-formed steel framing connections
    Meets F.I.P.-1000.7 for torsional strength & drill speed
    Meets SAE J78 for Performance & Dimensional Specifications
    Meets ASTM A 510 for carbon steel manufacturing
    Meets ASTM F1941 for corrosion resistance
SCREW DIMENSIONS:
    Diameter: #8 (0.164'')
    Length:       1/2''
    Head Diameter:    0.25''
    Head Height:        0.141''
    Flange Diameter: 0.348''
    Drill Tip Length:  3/16''
HIGH QUALITY - 100% Satisfaction Guaranteed
