Galvanized 5/8 inch x 6 inch lag screws hex head For wood applications 5/8 inch body diameter and thread pitch 6-inch fastener length Galvanized finish with Rust-Oleum certified rust protection
From the Manufacturer Lag screws are used for directly fastening into wood surfaces. Used with a lag shield, lag screws can be used in masonry applications. The length of a lag screw is measured from the under head bearing surface to the tip of the screw.