Carriage bolts have a smooth rounded headcarriage bolts have a smooth rounded head with a square neck underneath that locks into wood when tightened.
Carriage Bolts For Deck. It comes in various lengths and is characterized by its round head and square shank under the head. Options for fastening beams to deck posts.
Carriage Bolts Specification from www.duplexfastener.com
For joining wood and metal, carriage bolts offer unmatched grip carriage bolts are metal fasteners with a round head, flat tip and fully threaded shank. 1/2 bronze full thread carriage bolts. Stainless steel fence, deck & patio nails.
This is a 20 year old deck built by a previous owner and overall is in good shape.
Special tooling can be created to produce nonstandard head dimensions, carriage bolts larger than 1″ in diameter. They are great fasteners for decks, play equipment, docks. 1,956 carriage bolts products are offered for sale by suppliers on alibaba.com, of which bolts accounts for 44%, screws accounts for 2%. However, it is always better to have the added support.
