The bolt manufacturing process consists of three stage: Heading, Thread Rolling, and Blackening/Galvanizing and Macomb Bolt Manufacturing provides superior quality in each stage. This consistent quality and excellent service have been the keys to our success and that of our bolt and fastener customers for many years. We offer custom cold heading and thread rolling featuring just-in-time delivery of engineered fasteners.
Macomb Bolt Manufacturing, through its in-house engineering staff, collaborates with engineers to "figure out" the absolute best fastener for the application. True Fastener Problem-Solvers.
Supporting Bolt and Fastener Quality
Our quality system is certified according to the international quality standard ISO 9001:2008 encompassing fastener design, development, and manufacturing. Our goals are continual improvement and consistent quality for the customer. Additionally, all toolmakers are ISO-certified.About Us
Cold heading is the process of reshaping metal wire into a desired shape for the purposes of making a functioning fastener. Whether a simple or complex shape- Semblex is your source for quality large and small diameter cold headed fasteners used in automotive, agriculture and consumer electronic industries.
Thread rolling is a metal rolling process used extensively in manufacturing industry to produce screws, bolts and other fasteners. A common thread rolling process, used in industry to manufacture threaded parts, involves forming the threads into the metal of a blank by a pressing and rolling action between two die.