Here, at All Points Fasteners, we supply quality fasteners which include zip screws and tek screws for the Heating, Ventilating and Air Conditioning Industry. We specialize in zip screws, high hat self-drilling 10x3/4 hex washer head screws, gutter screws and metal roofing screws with neoprene washers for the metal roofing, carports, fencing, guttering and cabinetry industries. On our Products...