World’s Leading Supplier of Fastener Inspection Products

At Greenslade and Company, our goal is to provide the fastener industry with helpful, easy to understand information about the proper inspection of fasteners. We also offer state-of-the-art fastener inspection equipment designed to provide efficient, accurate measurements for use in SPC systems as well as for incoming and final inspection applications. Greenslade and Company has received more patents for unique fastener inspection devices than any other firm in the world.

Greenslade and Company is staffed with people experienced in engineering, manufacturing, and fastener inspection. We provide free technical assistance to our customers. We have had hundreds of trade journals published over the years providing helpful, problem-solving solutions to fastener quality issues. These are available to you at No Charge.

Greenslade and Company has been exclusively serving the fastener industry since 1978. Our business is founded on one philosophy: "What goes around, comes around." This means that we will provide you with high quality products and services in a fair, honest and friendly manner in the hope that you will become a long term, faithful customer and business friend.

We hope to develop a mutually beneficial relationship with you as one of your valued suppliers in the future.


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Our company is taking all precautions during the COVID-19 coronavirus pandemic. We remain OPEN for business and stand ready to serve you, although we are limiting customer interactions to PHONE and EMAIL ONLY at this time. Please continue to contact us either at 817-870-8888 or 800-435-2657.