About Holbrook Manufacturing

Addison Fasteners is a leading supplier of high-quality cold-headed fasteners, offering a wide range of custom and stock products from our state-of-the-art facility. With expertise in combining different drive styles, head types, materials, and threads, we manufacture fasteners in diameters ranging from #1 to 1/2” standard and M2 to M12 metric, with lengths from 1/8” to 4” standard and 3mm to 101mm metric.

Our experienced technicians and engineers specialize in system-critical fastening solutions, providing comprehensive customer support and innovative, small-diameter cold-formed products. With advanced capabilities and dedication to customer satisfaction, Addison Fasteners is your trusted partner for all cold-headed fastening needs.