25PC GRK Fasteners GRK Fasteners 96020 Rugged Structural Screw 3/8 x 8

25PC GRK Fasteners GRK Fasteners 96020 Rugged Structural Screw 3/8 x 8 Size: 3/8 x 8 ; Bit size: #40; Self-tapping specially hardened steel screw; W-Cut thread design ZipTip; Climatek coated; Small shank reduces splitting effect; Round washer type head with built-in shield;