Headed Bolts
Hex Bolts
Hex bolts are a commonly used construction fastener. We manufacture hex head bolts up to 2-1/2" in diameter.
View Product PageTimber Bolts
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 PageSquare Bolts
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 PageCustom Heading
Customize bolts with your brand! We have the capability to manufacture headed bolts customized for your company.
View Product PageHex Lag Screws
Hex lag screws are used in wood projects. We can provide hex lag screws up to 1-1/2" in diameter.
View Product PageCarriage Bolts
Portland Bolt manufactures carriage bolts from 1/2" diameter through 1-1/4" diameter in most ASTM, AASHTO, and SAE specifications.
View Product PageSquare Lag Screws
Square lag screws are often used for aesthetic purposes. Square head lag screws are available up to 1-1/2" in diameter.
View Product PageCountersunk Bolts
Counter sunk bolts are specified when a smooth surface is require. We manufacture countersunk bolts up to 1-1/2" in diameter.
View Product PageStructural Bolts
Heavy hex bolts offer a larger head pattern than a traditional hex bolt. We can manufacture heavy hex bolts up to 2-1/2" in diameter.
View Product PageButton Head Bolts
Button head bolts similar to carriage bolts without the square neck under the head. We can manufacture button heads up to 1-1/4" in diameter.
View Product PageMachine Bolts
Cross arm or machine bolts are a popular for the pole line industry. We can manufacture cross arm bolts up to 1-1/2" in diameter.
View Product PageWasher Head Bolts
Washer head bolts are typically used in the pole line industry in place of a separate washer/headed bolt combination.
View Product PageTimber Spikes
Timber Spikes are galvanized, dome-headed fasteneres with fettered threads for driving into timber connections.
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