Family-owned and operated in Valley View, Ohio, since 1920, Keystone Threaded Products manufactures USA-made standard and customized precision roll-threaded rods and related machined parts. Now led by third-generation owner Betsy Minnick, the certified women-owned business is known for handling large-diameter threading, including work on what it calls the world’s largest thread roller. Keystone also offers complete-part machining and inventory management, with quality controlled through material traceability and multi-step inspection.
ISO 9001:2015
Certified Women-Owned Small Business (WOSB)
Made in the USA
Compliance program
All Ohio Threaded RodFor more than 40 years, family-owned All Ohio Threaded Rod has manufactured threaded rods and studs, along with custom bent bolts, for customers needing fasteners in unusual sizes or configurations. The Cleveland company produces rods up to 12 feet long and 4 inches in diameter, and combines roll- and cut-threading with custom work such as tapped, slotted, and bent ends. Customers describe it as a small custom house known for quick turnaround and personalized service.CLEVELAND, OH
InfascoFrom raw steel to finished fasteners, Infasco designs, manufactures and distributes threaded fasteners and forged steel parts. Based in Marieville, Quebec, the company distinguishes itself through vertically integrated production and a proven traceability system, treating its millionth part with the same attention as its first. Infasco also develops custom steel fastening solutions with technical support from its technicians and engineers, and its operations are certified as woman-owned, operated and controlled.MENTOR, OH
Kelko Products CompanyFor more than three decades, Lorain-based Kelko Products Company has manufactured custom fasteners, double-end stud bolts, and CNC-turned components for demanding industrial applications. The company combines automatic screw machines and custom threading equipment with in-house machining and finishing, and handles everything from single prototypes to runs of 10,000 parts. Kelko serves customers across the United States and Canada, with quality inspections throughout production and documentation available for materials, testing, and specified standards.SANDUSKY, OH
Industrial Nut CorpFounded in 1908, Industrial Nut Corp. is a fourth-generation, family-owned Sandusky manufacturer of precision nuts, locknuts and other internally threaded components made to customer print. The company combines domestic production with robotic-fed CNC machining and in-house finishing to support demanding OEM and distributor applications. Industrial Nut is ISO 9001:2015 registered and remains under Springer family leadership.SANDUSKY, OH