RUG STRCTRL SCRW 5/16X4"

RUG STRCTRL SCRW 5/16X4" *Brand Name: GRK Fasteners *Callout Size: No. 20 *Length: 4 in. *Drive Style: Star *Head Type:Washer Head *Thread Type: W-Cut *Product Type: Structural Screws *Number in Package: 100 pk *Driver Bit Included: Yes *Color: Yellow *Indoor or Outdoor: Indoor and Outdoor *Diameter: 5/16 in. *Self Drilling: Yes *Finish: Climacoat *Packaging Type: Clamshell *Material: Steel *Self Tapping: Yes *Discovery CON, SUP