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 page, you will find high quality parts manufactured specifically for your industries to make your jobs easier!