Business Details
50+ Years
experience
Trusted Manufacturer of Industrial Fasteners Since 1957
Hill Fastener has been a leader in cold-formed fastener manufacturing since 1957, delivering precision-engineered solutions to diverse industries. Headquartered in Rock Falls, Illinois, our 48,000-square-foot facility combines advanced technology with decades of expertise to produce high-quality screws, bolts, and custom fasteners. Our team prioritizes innovation, maintaining rigorous quality control standards while fostering long-term client partnerships through exceptional service.Customers consistently recognize our on-time delivery and superior commitment to quality, solidifying our reputation as a trusted global supplier. With over 50 years of specialized experience, we continue to meet evolving industry demands through cost-effective, reliable solutions.
Services
Cold-Formed Fasteners
Custom Fastener Solutions
Metric Fasteners
Carriage Bolts
Hex Flange Screws
Pole Line Hardware
Special Fasteners
Product Design & Engineering
Quality Control & Certifications
Domestic Manufacturing
Details
- Year established: 1957
Highlights and features
- We offer over 50 years of specialized experience in cold-formed fastener manufacturing.
- Our 48,000 sq ft facility utilizes cutting-edge technology for precision production.
- We guarantee on-time delivery rated excellent by long-term industry clients.
- Our commitment to quality meets SAE Grade-8 and ISO metric standards.
- We specialize in custom-engineered fasteners for unique industrial requirements.
Services
Cold-Formed Fasteners
Hill Fastener specializes in cold-formed fasteners, including serrated hex flange screws and undercut hex bolts. These components meet SAE Grade-8 and ISO metric standards, ensuring durability in automotive, construction, and industrial applications. Our advanced manufacturing processes guarantee tight tolerances and consistent quality for critical assembly needs.
Custom Fastener Solutions
We engineer custom fasteners for unique specifications, from prototype to mass production. Our team works with stainless steel, brass, and bronze to create non-standard parts, supporting industries requiring specialized hardware. With 99% success in fulfilling complex requests, we deliver tailored solutions that meet exact performance requirements.
Metric Fasteners
Manufacturing metric fasteners from M5 to M16 diameters, we adhere to DIN, ISO, and ANSI/ASME standards. Our metric product line includes Class 8.8, 9.8, and 10.9 bolts, designed for high tensile strength in automotive and machinery applications. Custom finishes and coatings ensure corrosion resistance and longevity.
Carriage Bolts
We produce carriage bolts in standard and custom configurations, featuring square, rib-neck, or long-square designs. Available in 1/4" to 5/8" diameters, these bolts meet ASME B18.5 specifications for construction and industrial equipment. Made-to-order options accommodate specialized hardness, finish, and dimensional requirements.
Hex Flange Screws
Grade-5 and Grade-8 hex flange screws are manufactured to IFI-111 specifications, with phosphate/oil or plated finishes. These screws provide high clamp load distribution for automotive and heavy machinery applications. Lot traceability and material certifications ensure compliance with industry quality standards.
Questions
What industries does Hill Fastener serve?
We supply fasteners for automotive, telecommunications, heavy-duty truck, construction, and industrial equipment sectors.
Can Hill Fastener produce custom fastener designs?
Yes, our engineering team specializes in custom solutions, manufacturing 99% of requested specialized fastener designs.
What quality certifications does Hill Fastener hold?
We comply with SAE Grade-8, ISO metric standards, and provide material chemical/physical certifications upon request.
What materials are available for custom fasteners?
We work with stainless steel, brass, bronze, and carbon steel for specialized fastener applications.
What is the maximum size of fastener Hill Fastener can produce?
We manufacture fasteners up to 3/4" (M20) diameter and 7" (175mm) length in standard configurations.
