(500) 5/16-18 X 2″ TRAILER FLOOR FLOORBOARD DECK SCREWS T40 DRIVE, 500 Pcs
Screw Threads:18 TPI (Coarse Thread). TYPE F THREAD CUTTING. Head Style:Flat Head. REQUIRES A PRE DRILLED HOLE WITH A 7/32 DRILL BIT. Drive:Torx T-40 / 6 Lobe T 40. NOTpreviously rejected for quality issues or rescued from a scrap yard.