GRK Fasteners No. 20 S X 3-1/8 in. L Star Washer Head Structural Screws 100 pk

GRK RSS #5/16X3-1/8"RUGGD STRCTRL SCRW 100
*Callout Size: No. 20
*Length: 3-1/8 in.
*Drive Style: Star
*Head Type: Round Head
*Finish: Yellow Zinc
*Material: Steel
*Product Type: Construction Screws
*Number in Package: 100 pc.
*Thread Type: Self Tapping
*Self Drilling: Yes
*Diameter: 5/16 in.
*Color: Yellow
*Self Tapping: Yes
*Driver Bit Included: Yes
*Packaging Type: Clamshell
*Indoor or Outdoor: Indoor and Outdoor