When it’s Critical... ...it’s Cardinal Oil & Gas OEM Construction MRO Wind

Cardinal Fastener Inc. is one of the largest fastener manufacturers of large diameter, hot forged bolts in America. Our products, which are manufactured in various head styles and diameters up to 3” or M72, can be seen on our innovative Birdie Chart.

Short Lead Times, Unsurpassed Quality
Cardinal prides itself on having the shortest lead times (as fast as same day) of any manufacturer in the world. Our unsurpassed quality is matched by the lowest manufacturing cost of any hot forger in North America. That’s how we became one of the first fastener manufacturers in the world to receive ISO 9001:2008 certification.

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Look to us for complex hot forged parts

Competively priced hex flange, socket head and 12-point fasteners...

Cardinal Fastener Offers Grade 8 Charpy

Cardinal offers the highest quality hot-forged fasteners with Charpy Testing...

Need 2” to 3” Diameter Hex Heads or Socket Heads?

Cardinal Fastener Inc. Can Meet Your Needs ...