1PK GRK 14221 Rugged Structural Screw 5/16 x 3-1/8

Size : 5/16 x 3-1/8 ; Per Pack of 25; Self tapping specially hardened steel screw; W Cut thread design ZipTip; Climatek coated; Sharp threads and points; Built in washer; Small shank reduces splitting effect; Round washer type head with built in shield;