About us:

Founded in 1911, we manufacture mechanical and adhesive anchoring and fastening systems in the USA.


With more than a century of experience, we have built trusted partnerships with distributors, customers, and suppliers in the construction industry. We have invested in our production and upgraded with new machinery and equipment to serve our customers better. We have implemented a second production shift and welcomed new team members. Our shelves are stocked, and we are ready to fill your warehouse with top-quality fastening and anchoring systems.


We focus on building lasting relationships with our customers offering reliable solutions and serving as a flexible partner. If you are looking for reliable mechanical or adhesive anchoring systems, proudly made in the USA, we are ready to partner with you! Build your projects with confidence, knowing you are supported by American-made durability.

our history

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U.S. EXPANSION BOLT

U.S. Expansion Bolt is founded in New York, making quality mechanical expansion anchors. In 1934, the company moves to York, Pennsylvania and becomes USE. Later, the name is changed to USE Diamond.

U.S. EXPANSION BOLT

Our legacy of innovation began in 1912 with first patents for improvements in expansion bolt anchors.

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first patents

We move to York, Pennsylvania and become USE Diamond. The USE product line consisted of high quality mechanical expansion anchors.

taper bolt

We invented the Taper Bolt – a high strength concrete fastener and expansion anchor that set new standards in performance and reliability.

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gunnebo fastening

Gunnebo Fastening acquires USE Diamond and merges with Uniset, creating a line of powder-actuated tools and the corresponding pins and powder loads. The USE base product line was high-quality mechanical expansion anchors. In 1985, the company developed an adhesive anchor to continue finding customer solutions.

lonoke, arkansas

The facility in York closes, and all operations are moved to Lonoke, Arkansas.

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mkt fastening

The Germany-based 'MKT GmbH & Co. KG' expanded production and established 'MKT Fastening, LLC' in Arkansas. We developed customized solutions and were able to offer a complete range of metric and fractional products for the US market.

That’s a solid connection.

We aim to build partnerships with our customers, distributors, and suppliers to be as strong as the products we produce.

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MKT NEWSROOM