Company Overview and History
Hill Fastener, located in Rock Falls, Illinois, has been a specialized manufacturer in the fastener industry since its founding in 1957. Initially established to produce special screws for the builders' hardware sector, the company has grown significantly, now operating from a 48,000 square foot facility equipped with modern manufacturing machinery. Hill Fastener has cultivated a reputation as a reliable global fastener supplier, consistently recognized for its on-time delivery and commitment to quality.
Products and Manufacturing Capabilities
Hill Fastener offers a diverse range of fasteners, including various types of Carriage Bolts, Grade-5 Hex Flange Screws, and Grade-8 Undercut Hex Flange Screws. A core strength lies in its ability to produce highly customized and non-standard products, utilizing cold-forming manufacturing processes. The company manufactures screws with diameters ranging from 1/4' to 5/8' (M5-M16) and lengths up to 6' (150mm), with some specialized products extending to 7' (175mm). They adhere to numerous international standards such as ASME, IFI, SAE, DIN, ISO, ANSI/ASME, and JIS, offering various inch grades (2, 5, 8) and metric classes (4.6 to 12.9). Materials processed include carbon steel, stainless steel (302, 304, 316, 410, 431), brass, and bronze.
Specialized Offerings and Value-Added Services
The company excels in addressing specific customer requirements, often referred to as a 'specialist in specials.' Their engineering team is adept at designing tools and processes for unique fastener concepts. Hill Fastener also provides proprietary products like the Hill-Lock® Serrated Hex Flange Screws, known for their self-locking capabilities on diverse surfaces, and WHIZ-Plus™ lock features, which enhance washer strength and optimize torque performance. Beyond manufacturing, they offer comprehensive value-added services including custom packaging, barcoding, QR coding, EDI platform integration, stock and release programs, PPAP, and full material certifications with lot traceability. A range of platings and coatings are also available to meet specific application needs.





