carriage bolts, lag bolts, hex tap bolts and related stud and threaded rod products. Its catalog includes nuts such as Keps nuts, machine screw nuts, structural and heavy hex nuts, and various specialty nuts. The company also supplies washers, including internal and external tooth lockwashers, lock washers, fender washers, structural washers, and flat washers. In addition, Sil Fasteners offers drill bits, masonry and SDS drills, drive bits, and magnetic nut setters used to install its fasteners in construction, manufacturing, and equipment assembly applications.