Description
Engineered for maximum strength and reliable performance, our Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 7/8-9 x 3 1/4 are designed for heavy-duty applications across automotive, machinery, and construction projects. Made in the USA from high-strength alloy steel, these screws deliver superior tensile and shear strength paired with a plain finish for versatile use.
Key specifications
- Size: 7/8-9
- Length: 3 1/4 in
- Grade: Grade 8
- Material: Plain carbon alloy steel
- Finish: Plain
- Head type: Hex Head Cap Screw
- Thread: UNC (7/8"-9)
- Origin: USA Made
Why choose Grade 8 steel
Grade 8 fasteners are hardened to deliver outstanding tensile strength and durability under high-load conditions. The plain finish keeps surfaces clean and compatible with a wide range of assemblies without added plating.
Applications
- Heavy machinery mounting and frame assemblies
- Automotive and off-road equipment fabrication
- Industrial equipment maintenance and repair
- Construction and steel fabrication projects
Specifications at a glance: 7/8-9 x 3 1/4 inch hex head cap screws, Grade 8, plain finish, USA made, UNC threading for reliable fit with standard nuts and tapped holes.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324