Conquest 3 4" X 22" A307 Timber Bolt Hot Dip Galvanized EPDM Roof Boots for Shingle Roofs This product is intended for This product is intended for use with posts or columns and 4 5 8x beams but is also available in a wide range of other sizes and both nominal and rough cut lumber Included with this column cap are the necessary Simpson Strong Drive SDS connector screws to provide fast installation and lower profile than standard bolts A mudsill on top of the GHD is required to achieve the table loads Conquest A307 Timber Bolts are heavy duty fasteners designed for structural wood to wood and wood to metal applications Locking Fins: Four fins under the bolt head bite into the wood to prevent spinning during tightening