Description
Premium Hex Head Cap Screws Grade 5 Steel Plain 5/16-18 x 2-1/2 deliver robust, reliable fastening for demanding assemblies. Crafted from strong Grade 5 steel and finished plain for clean, simple compatibility across many projects.
Overview
These hex head cap screws feature a standard coarse 5/16-18 UNC thread and a 2-1/2 inch length. The plain finish means they’re ready for coating, painting, or use as-is in controlled environments. They’re ideal for automotive, machinery, and general construction applications where dependable clamping power is required.
Key Features
- Diameter: 5/16 in
- Thread: 18 threads per inch (UNC)
- Length: 2-1/2 in
- Material: Grade 5 steel
- Finish: Plain, uncoated
- Head: Hex head for drive with standard wrenches
- Standards: Meets common Grade 5 fastener specifications
Why Use Grade 5 Steel Plain Hex Bolts
Grade 5 offers a strong balance of tensile strength and toughness, delivering reliable performance under load and vibration. The plain finish makes them versatile for customers who plan to apply coatings or tightly control corrosion resistance through finishing processes. These screws are designed for slotted or cross-drive wrenches, providing secure torque transfer during installation.
Applications
Perfect for automotive assemblies, equipment maintenance, machinery, and structural projects where a durable, high-strength fastener is needed. Use with matching nuts and washers for secure, lasting joints.
Specifications at a Glance
- Size: 5/16-18
- Length: 2-1/2"
- Grade: Grade 5
- Finish: Plain
Add these reliable hex head cap screws to your toolbox for quick, secure assemblies that stand up to tough conditions.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324