Allied Bolt Screws, Hex Head, Steel, 1/4 in Screw, 2 in L, 1 per Package, 1000 per Package

A Hex Lag Screw with a Conically Shaped Steel Washer Bonded to a Similar Shaped Rubber-Like Piece Which has a Slightly Smaller Inside and outside DiameterProtects Against LeakageReduces Chance of Fastener Coming Loose Due to VibrationMinimizes Damage to Mating SurfaceWasher is Stamped from Grade 2 SteelRubber is cut from Style 40 EPDM SheetLag Screws and Steel Washer are Mechanically Galvanized Per ASTM Specification A153