Carriage Bolt: 5/8-11, 6-1/2" Length Under Head, Square Neck MPN:BD--32171-3

The Carriage Bolt with a length under head of 6-1/2in, thread size of 5/8-11in and square neck design is an essential fastener for securing wooden support beams to steel plates or columns. Its square neck prevents side-load stress that can cause loose and loosen bolt heads in traditional rounded neck bolts. This component has a zinc-plated finish, adding protection against rust and corrosion in outdoor environments. The hex head offers easy tightening or loosening using wrenches, making it ideal for woodworking projects, construction, machine assemblies, and various industrial applications. The Carriage Bolt provides the strongest bolt option when attaching wood to metal surfaces, offering unbeatable reliability for customers seeking premium quality fasteners in their projects.