Profile: Sealtight Fastener specializes in self-sealing fasteners and related sealing products. We provide Sealtight® self sealing fasteners, screws and boots. Our fasteners are used in space shuttle, missiles, aircraft, laser and radiation applications, hydraulic equipment, underwater equipment, engines, computers, electronics, gauges and gas cylinders. Our fasteners as a leak proof seal for liquids and gases. We provide O ring sealing washer, Sealtight® fastener O rings, Sealtight® standard O rings and O ring compounds.