Big Bolt Corporation is the Mid-West’s largest and most capable fastener manufacturer. We are capable of 24/7 manufacturing, 10-minute quoting, and providing the highest quality product. Our service is second to none, and we are proud of it!
Established in 1977, we celebrated 40 years in business in March of 2017. We are a family owned and operated business catering to all sorts of clients. We fulfill large corporate and government orders as well as OEM and end-user needs. We are well-suited for prototyping and specialty orders.
We are a US manufacturer serving US and international customers. We manufacture almost all bolt and nut types in ASME, ASTM and ISO standards in diameters as small as M6 or 3/16” and as big as M80 and 3-1/2”. We offer long and split length fasteners and we maintain a large stock of material and finished product so we can quickly fulfill emergency orders. We have forging and plating capabilities to provide the toughest product on the market.
Quality is paramount for us. We stand by our product so our clients can buy in confidence. We are ISO9001 certified, and we maintain our own Quality Assurance department staffed by 15 full-time employees, and equipped with the most accurate tools. We test inbound material and outbound product, and can produce a number of product certifications.
Big Bolt is the company that can take on large orders while still providing the customer experience and attention to detail that family-owned, American companies are known and respected for!