Portland Bolt is an approved supplier of 100% made in the USA highway fasteners for State Departments of Transportation throughout the country. In addition to manufacturing bolts that conform to ASTM and SAE specifications, Portland Bolt also manufactures to AASHTO specification. The acronym AASTHO standards for American Association of State Highway and Transportation Officials. Most AASHTO specification cross-certify directly to an ASTM specification, and our website contains a handy AASHTO to ASTM cross reference chart. Standard products produced for the highway industry include barrier pins, guardrail bolts, bridge rail anchor bolts, traffic signal pole anchors, light pole anchor bolts, and sign structure anchor bolts, amongst others.
Portland Bolt's manufacturing capabilities, combined with our own in-house galvanizing line, allow us to meet the most demanding lead times. Our extensive inventory of domestically produced raw material includes 12 different grades of material in 23 different diameters ranging from 1/2" through 3-1/2". Portland Bolt also stocks an unparalleled line of domestic nuts and washers to complement the bolts we manufacture.
Portland Bolt performs in-house mechanical, hardness, and rotational capacity testing. For federally funded highway projects, we only provide products which are 100% domestic and fully traceable. We include the most comprehensive and accurate certification package in the industry which is stored electronically should you ever require additional copies.
Common Highway Contractors Products
Portland Bolt manufactures barrier pins for both state and federal highway projects.View Product Page
In some states, high strength pins get driven through the base of precast concrete barriers in order to pin them to the ground.View Product Page
Hex bolts are a commonly used construction fastener. We manufacture hex head bolts up to 2-1/2" in diameter.View Product Page
Heavy hex structural bolts range from 1/2" to 1-1/2" diameter and are manufactured to ASTM A325 and A490 specifications.View Product Page
A number of anchor rod configurations are available in a variety of material grades.View Product Page
Right angle bend anchor bolts are the one of the most common fastener for connecting steel to concrete.View Product Page
A tie rod assembly is used to brace steel columns or heavy timber beams. They are often used with turnbuckles or clevises.View Product Page
Portland Bolt manufactures custom round bend U-bolts from 1/2" - 4" diameter to virtually any ASTM specification.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
Our inventory of nuts include both domestic and import and are compatible for many grades of bolts in either plain or hot dip galvanized finish.View Product Page
We carry an extensive line of washers compatible for the fasteners we manufacture and stock.View Product Page