Description
GRK RSS #5/16 X 4" RUGGED STRCTRL SCREW IN; Callout Size: No. 20; Length: 4 in.; Drive Style: Star; Head Type: Round; Finish: Yellow Zinc; Material: Steel; Product Type: Structural Screws; Container Size: 50 per box; Number in Package: 50 pc.; Packaging Type: Clamshell; Self Drilling: Yes; Diameter: 5/16 in.; Indoor or Outdoor: Indoor and Outdoor; Thread Type: Self Tapping; Color: Yellow; Self Tapping: Yes; Self tapping as 4 inch length for specially; hardened steel screw It h as been designed as pan h; ead Recessed star drive as zero stripping with 6 po; ints of contact CEE Thr ead using enlarge hole to red; uce splitting Clim atek coated with sharp thre; ads and points Built in wa sher head for immense holdi ng power