Description
Socket Head Cap Screws in Alloy Steel with a Thermal Black Oxide finish offer outstanding strength and a corrosion-resistant, streamlined look for precision assemblies. The 5/16-18 x 2-3/4 screws are ideal for machines, automotive, and heavy equipment where reliable performance is essential.
Designed for torque-intensive fastening, these socket head cap screws feature a hex drive that accepts standard Allen wrenches, providing a clean, flush profile and reduced risk of snagging in tight spaces.
Key specifications
- Size: 5/16-18 UNC
- Length: 2-3/4 in (68 mm)
- Material: Alloy steel
- Finish: Thermal black oxide for enhanced corrosion resistance and a dark, uniform appearance
- Head style: Socket head cap screw
- Drive: Hex socket / Allen drive
Why choose these screws?
They combine high tensile strength with a compact, versatile head design that fits into tight assemblies. The black oxide finish reduces glare and blends smoothly with machinery, while the alloy steel construction provides dependable performance under demanding conditions.
Applications include workshop projects, repair and maintenance, and OEM equipment where a reliable, long-lasting fastener is required. Order with confidence for consistent fit and performance across your next build.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324