Cap Screws are proportioned and toleranced to assure full and proper loading when assembled into a tapped hole. Washer face is provided under the head to provide a bearing surface when tightened. It ensures fit-up into tapped holes without counterboring. End is chamfered to aid in inserting into a tapped hole. Made In USA. Cap Screws can be used in tapped holes or with a wide range of nut bolted connections and in the applications for vehicles and structures.