America's premier
supplier of black
coated fasteners

Black oxide and black ruspert coatings available
Mill certified to ensure proper metallurgical and dimensional specifications


Makers bolt

Rich black color

Match vintage, hard-to-find hardware or add a unique touch to your next project


Durable black coatings

Unlike paint or zinc finishes, our premium coatings will never chip, flake, or rub off


High-quality machining

Manufactured under tight tolerances to ensure uniform heads and precise, even threading

Makers bolt

About Us

Makers Bolt started in 2019 as a specialty fastener supplier for woodworkers. We noticed a need for high-quality, black fasteners and began working with a local black oxidizing company to blacken lag bolts.

Black Coating Specialists

Providing commercial grade materials and coatings

Unique offerings like rustic square head lag bolts