Anchor Bolt and Construction Fastener Manufacturer
Contact Us Live Chat Open 6AM - 5PM PT M-F
Portland Bolt & Mfg. Co.
  • (800) 547-6758
  • sales@portlandbolt.com
  • Live Chat
Skip to content
  • Home
  • Products
    • Headed Bolts
      • Hex Bolts
      • Heavy Hex Bolts
      • Structural Bolts
      • Square Head Bolts
      • Timber Bolts
      • Headed Anchor Bolts
      • Hex Lag Screw
      • Square Lag Screws
      • Carriage Bolts
      • Timber Spikes
      • Machine Bolts
      • Washer Head Bolts
      • Round Head Bolts
      • Countersunk Bolts
      • Step Bolts
      • Custom Heading
    • Rods
      • Anchor Rods
      • All Thread Rods
      • Tie Rods
      • Drift Pins
      • Swedged Rods
      • Threaded Rebar
    • Bent Bolts
      • 90° Anchor Bolt
      • Round U-Bolts
      • Square U-Bolts
      • Closed Eye Bolt
      • Open Eye Bolt
      • Round Hook
      • Square Hook
      • J-Bolts
      • Custom Bent
    • Anchor Bolts and Anchor Rods
      • 90° Anchor Bolt
      • Headed Anchor Bolts
      • Anchor Rods
      • All Thread Rods
      • Swedged Rods
    • Nuts
      • Hex Nuts
      • Heavy Hex Nuts
      • Square Nuts
      • Hex Jam Nuts
      • Heavy Jam Nuts
      • Lock Nuts
      • Hex Coupling Nuts
      • Sleeve Nuts
    • Washers
      • Standard Washers
      • F436 Hardened Washers
      • Lock Washers
      • Malleable Iron Washers
      • Round Plate Washers
      • Square Plate Washers
      • Ogee Washers
      • Beveled Washers
      • Hardened Beveled Washers
      • Clipped Hardened Washers
      • Load Indicating Washers (DTI)
      • Rosette Washers
      • Hillside Washers
    • Other
      • Barrier Pins
      • Plates
      • Turnbuckles
      • Clevises
      • Anchor Sleeves
      • Shear Plates
      • Dapping Tools
      • Split Rings
      • Grooving Tools
      • Boat Spikes
      • Spike Grids
  • Manufacturing
    • Hot-Dip Galvanizing
    • Heading
    • Threading
    • Cutting
    • Plate Fabrication
    • Bending
    • Miscellaneous Capabilities
    • Shipping
    • Certification & Testing
    • Steel
  • Industries
    • Marine Construction
    • Steel Fabrication
    • Highway Contractors
    • Timber Construction
    • Power and Energy
    • Precast Concrete
    • Light Pole and Traffic Signal
    • Pole Line Hardware
    • Light Rail
    • Mining
    • OEM
    • Engineers and Architects
    • Government and Military
  • Technical Information
    • Calculators & Tools
      • Bolt Weight Calculator
      • Tie Rod Calculator
      • Plate Weight Calculator
      • Bolt Torque Calculator
    • Specifications
      • AASHTO
      • ASTM
      • SAE
      • CSA
    • Fastener Identification Markings
    • Strength Requirements by Grade
    • Nut Compatibility Chart
    • Thread Pitch Chart
    • Steel Hardness Conversion
    • Lag Screw Pilot Hole Diameters
    • AASHTO to ASTM Conversions
    • Structural Bolt Weight Chart
    • Nut Weight Chart
    • Bolt Torque Chart
    • Bolt Glossary
  • FAQs
    • Newest FAQs
    • The Experts
    • FAQ Categories
    • Ask a Question
  • Projects
    • Power & Energy
    • Industrial
    • Marine
    • Bridges
    • Covered Bridges
    • Light Rail
    • Government & Military
    • Amusement Parks
    • Stadiums
    • International
    • Miscellaneous
    • Videos
  • About Us
    • Recent Shipment Destinations
    • Testimonials
    • Newsletter
    • Credit Application
    • Careers
    • Leave Feedback
    • Fun Zone
    • Contact Us
    • Meet the Team
    • History
  • Videos
  • Home
  • »
  • About Us
  • »
  • Newsletters
  • »
  • March 2015

March 2015

2015 March Madness Bracket Challenge

Will Cinderella be dancing this year, or will we see the perennial powers like Kentucky, Duke, and North Carolina return to the Final Four? Will you last deep into our 8th annual March Madness competition, or will your bracket be busted after the opening round? If you think you know college basketball, or even if you don’t, fill out a bracket and participate in our free March Madness Bracket Challenge for a chance to win a $150.00 Amazon.com gift card, an engraved championship trophy, and a Portland Bolt logo basketball.

Sign up now!

 

Video: Roll Threading

The fastest and most cost-efficient way to form threads!

Roll Threading Bolts and Fasteners
Watch how rolled threads are made

Portland Bolt uses Waterbury Farrel flat die roll threaders to form threads on construction fasteners. See how it’s done and learn why this threading method is the most efficient way to thread bolts.
continue reading →

 

FAQ: Marking Requirements

What are the product marking requirements for bolts?

Curious as to the types of markings required to identify the grade and/or manufacturer of a construction fastener? You’re in luck! Gary Rusynyk has outlined the requirements for permanent grade symbols, manufacturer’s identifiers, and color coding required for various grades and types of bolts.

continue reading →

 

Project: Port of Houston

Houston, Texas

Portland Bolt recently manufactured 1,600 hot-dip galvanized, slotted timber bolts for the rehabilitation of Wharf 20 at the Port of Houston. Our ability to hot-forge headed bolts and galvanize them in-house makes us an ideal source for marine constructionfasteners.
continue reading →

2015-03-17
Portland Bolt
Navigation
Home | About | Products | Technical Information | Contact Us | Terms of Use | Privacy Policy | Sitemap
Newsletter Signup

Sign up for our bi-monthly email newsletter for all the latest!

Sign up
Buy Direct
Portland Bolt provides anchor bolts and nonstandard construction fasteners directly to contractors, steel fabricators, and other companies worldwide.
Location & Hours
Portland Bolt sales@portlandbolt.com Portland Bolt & Manufacturing Company, LLC
3441 NW Guam St., Portland, OR 97210 USA
Hours: Monday - Friday 6 AM to 5 PM PT
(800) 547-6758
© 1996-2023 Portland Bolt & Mfg. Co.