Manufacturer, Product Line : Brighton-Best, Proferred®
Drive : External Hex, 5/16"
Material, Plating : Steel, Zinc Cr+3
Type : Sheet Metal Screw, #3 Self-Drilling
System of Measurement : Inch / US
Specifications : ASME B18.6.3, IFI-113
Head Diam (Max, Min) : Max 0.414", Min 0.384"
Head Height (Max, Min) : Max 0.151", Min 0.124"
Washer Thickness (Max, Min) : Max 0.031", Min 0.019"
Width Across Flats : 5/16" (Hex Drive size)