Under Gray America Corporation, Dayton-based L&H Threaded Rods Corp. is a specialized manufacturer serving the heavy-duty aftermarket, OEM customers, and spring shops across North America. The company is ISO 9001:2015 registered and is known for its CENTERMARK system, which marks the precise center of straight rods before they are bent into U-bolts.
ISO 9001:2015
Registration
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
All America Threaded ProductsAll America Threaded Products is a U.S. manufacturer of threaded products, with facilities in Denver, Colorado, and Lancaster, Pennsylvania. It supplies threaded rod and related fastening products from domestic and imported sources, and can make custom products to customer specifications.LANCASTER, PA
Keystone Threaded ProductsFamily-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.CLEVELAND, OH
National Rolled Thread Die CompanyNational Rolled Thread Die Company manufactures and supplies flat rolled dies, flat threading tools, knurling tools, and custom dies for bolt and screw manufacturing. The company serves the fastener industry and is described in the submitted source context as ISO 9001:2015 registered, American owned, and American made.CLEVELAND, OH