Portland Bolt and its acquisition, Northwest Bolt, have been leading suppliers of marine fasteners and hardware since the early 1900’s. We manufacture hot-dip galvanized and stainless steel bolts for the construction of docks, marinas, ports, and other marine related projects.
We have supplied marine projects on both coasts as well as overseas in Japan, China, Korea, and Pakistan. Follow the link for a list of some of the high profile marine projects for which Portland Bolt has supplied fasteners.
Portland Bolt’s ability to manufacture and galvanize marine construction fasteners all within our own facility allows us to provide the highest quality fasteners in the industry and meet the most demanding delivery schedules. Tired of fighting to get nuts on your galvanized bolts or concerned with a tight delivery schedule? Give us a call.
Common Marine Construction Products
Hex bolts are a commonly used construction fastener. We manufacture hex head bolts up to 2-1/2" in diameter.View Product Page
Hex lag screws are used in wood projects. We can provide hex lag screws up to 1-1/2" in diameter.View Product Page
Square head machine bolts were the industry standard prior to hex bolts gaining prominence. We manufacture square bolts up to 2" in diameter.View Product Page
Timber bolts have been an industry standard in timber and marine construction for decades. Timber bolts are available up to 1-1/2" in diameter.View Product Page
Right angle bend anchor bolts are the one of the most common fastener for connecting steel to concrete.View Product Page
Portland Bolt can punch and shear flat bar up to 1" thick. Angle assemblies with multiple holes are also available.View Product Page
Malleable cast iron round washers are used in dock and wood construction.View Product Page
Ogee refers to the curved shape of this large, cast iron washer. They are typically used in dock and timber construction.View Product Page
Round plate washers are simply a low carbon steel, oversized cut washer designed to provide a larger bearing surface than an F844 washer.View Product Page
The shear plate wood connector is intended primarily for wood-to-steel or wood-to-wood connections.View Product Page
The split ring wood connector is a device for transmitting loads between two pieces of wood.View Product Page