For 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.
ISO 9001
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Certification of Compliance to Drawings, Specifications, or Materials
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Certifications to Specified Standards
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Mill Certifications
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Heat Treat Certifications
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Plating Certifications
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Master Bolt, LLCMaster Bolt, LLC began in 1984 making a single railroad bolt and has since built its identity around solving specialized hardware needs from its Elyria shop. Today, the company makes custom industrial fasteners for customers across the United States and ships worldwide, with in-house tooling that supports unusual specifications and applications.ELYRIA, OH
Dyson CorpSince 1884, Dyson Corp. has forged and machined large-diameter fasteners and other industrial parts at its Painesville, Ohio headquarters, with every stage—from domestic raw steel to finished product—handled in the United States. Its in-house forge and machine shop can produce custom parts to specification, including the company’s proprietary D-Loc nuts, while a Houston facility focuses on wind-energy components. Dyson is ISO 9001:2015 certified and ITAR compliant.PAINESVILLE, OH
Earnest MachineFrom a small Cleveland machine shop in 1948, Earnest Machine has grown into a family-owned supplier of industrial fasteners with custom machining capabilities. Today, third-generation president Kirk Zehnder carries forward the company’s long relationship with heavy-equipment customers while guiding operations from distribution centers in the United States and the United Kingdom. Earnest Machine’s product quality system is certified to ISO 9001:2015.ROCKY RIVER, OH
Fasteners Unlimited, IncSince 1985, Fasteners Unlimited has been a western Pennsylvania manufacturer known for precision work on specialty machined hardware. Its full CNC shop serves demanding industrial customers, while an in-house testing lab helps verify that parts meet specifications. The company manufactures in the USA and accepts orders of any size.WARRENDALE, PA