Profile: Fastener SuperStore, Inc. is an online distributor of fasteners. We offer anchors, nuts, screws, bolts, sockets, pins, tools, electronic hardware, retaining rings, washers, rivets and Mil-Spec products. Our anchors are available in various types such as concrete, drop-in, expansion, hammer drive, hollow wall, lag screw, plastic, lead wood screw, sleeve, split and wedge anchors. Our screws are available in deck, drywall, lag, machine, self-drilling, serrated hex flange, self-tapping, thread cutting, thumb, weld, wing and wood types. Our concrete screws have alternating high and low threads for use in concrete. It eliminates the need for using an anchor in light- to medium-duty applications. Our carriage bolts have round heads with square necks under the head to prevent the bolt from spinning as the nut is applied. It is also offered with ribbed neck. Our dowel screws have lag screw thread at each end. These are used in wood, typically in furniture applications. It can be fully threaded, but mostly available with a plain center. Machine screws have machine thread designed for fastening into a matching pre-threaded mating part. Standard machine screw style hex nuts are made from 6/6 natural nylon. Nylon hex nuts are often used in applications requiring heat and chemical resistance.