Description
Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 1 1/4-7 x 3 1/4 — engineered for high-strength fastening in industrial, automotive, and construction applications. This precision fastener delivers dependable performance when reliability matters most.
Made from Grade 8 steel, these hex head cap screws offer excellent tensile and shear strength to withstand heavy loads. The plain finish provides a clean, versatile look and straightforward compatibility with common washers and thread lockers. Proudly USA Made, they meet stringent quality standards for consistent diameter, thread pitch, and overall dimensions.
Key Features
- Strength you can trust: Grade 8 steel delivers high tensile strength for demanding applications.
- Size and thread: 1 1/4 in diameter, 7 threads per inch (1 1/4-7), length 3 1/4 in.
- Finish: Plain finish for versatile use and easy maintenance.
- Head type: Hex head for secure drive with standard tools.
- Origin: USA Made, quality manufacturing.
Applications
- Automotive assemblies and repairs
- Industrial machinery and equipment mounting
- Construction and structural fastenings
- Heavy-duty equipment maintenance and fabrication
Specifications
- Head style: Hex head
- Material: Grade 8 steel
- Finish: Plain
- Thread: 1 1/4-7 UNC
- Length: 3 1/4 in
- Country of origin: USA
Pair these screws with compatible nuts, washers, and thread lockers as needed to ensure a secure, vibration-resistant assembly. Perfect for professional shops and serious DIY projects requiring strong, reliable fasteners.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

