FastenMaster. Strengthen wood-to-wood connections with the ThruLok Screw Bolt Fastener. The three-part assembly features the patent-pending PaddlePoint, an engineered washer, and Lok-nut, and replaces ½-inch carriage- and through-bolts without pre-drilling. Three available lengths ensure code-compliant connections with an 18-volt drill. 800.518.3569. www.fastenmaster.com.