Hanger Bolts - Zinc Plated Steel Feature a wood / lag screw thread and an external machine screw / bolt thread Commonly used for removable applications including storm shutters Also commonly used in applications where a hidden joint is required such as furniture making Zinc Plating for added corrosion resistanceCommonly used with Wing Nuts, T Nuts, Threaded Inserts or standard nuts Zinc plated hanger bolts are headless bolts with unified threading on one end and lag screw threading on the other. Hanger bolts are aptly named as they are used to hang things from wood. To install a hanger bolt, the lag side is screwed into a pilot hole. Then an object with a hole drilled is placed over the unified threaded portion and a washer and nut are fastened to hold the object in place. Product Specifications: Material: Zinc Plated SteelLag Thread Diameter: 3/8"Machine Thread Size: 3/8"-16Thread Direction: Right HandThread Type: UNC CoarseSizing: Machine Thread Size x Overall Length The lag side of a hanger bolt is tapered to a blunt point. They are designed for hanging objects from wooden structures. Hanger bolts are commonly used for suspending electrical wire and sheet metal. They can also commonly be found for making invisible joints in furniture. Hanger Bolts - Zinc Plated Steel Zinc Plated Steel Hanger Bolts in this selection are made from steel with an added zinc plating for corrosion resistance and durability. Thread Lengths 3/8"-16 x 1-1/2": 1/2" Machine Thread, 1" Lag Thread3/8"-16 x 2": 1" Machine Thread, 1" Lag Thread3/8"-16 x 2-1/2": 1" Machine Thread, 1-1/2" Lag Thread3/8"-16 x 3": 1-1/2" Machine Thread, 1-1/2" Lag Thread3/8"-16 x 3-1/2": 1-1/2" Machine Thread, 2" Lag Thread3/8"-16 x 4": 2" Machine Thread, 2" Lag Thread Common Applications Hanger Bolts are headless bolts used primarily with wood applications to add an external thread, or create an hidden fastening joint. Hanger bolts feature one side with a self tapping lag screw thread to grip into the wood, with the other end having machine screw threads to accept a nut. This makes them wildly popular in removable applications including storm shutters.