Description
Cap Screws Flat Socket 18/8 Stainless 5/16-18 X 1 1/4 are precision-engineered fasteners designed for durable, high-performance assembly in a wide range of applications. With a flat socket head and robust stainless construction, these screws offer a clean, low-profile look without compromising strength.
Made from 18/8 stainless steel (304 stainless), these cap screws deliver excellent corrosion resistance and long service life in both indoor and outdoor environments. The flat socket head provides a flush finish and reduces snag hazards in tight spaces, making them ideal for machinery, electronics enclosures, automotive projects, furniture assembly, and general DIY tasks.
Key Specifications
- Material: 18/8 stainless steel (304) for superior corrosion resistance
- Head style: Flat socket cap screw for a low-profile, flush appearance
- Thread size: 5/16-18 UNC (coarse) for versatile fastening
- Length: 1 1/4 in from under the head to end
- Finish: Bright, durable stainless finish
- Applications: Machinery, automotive, electronics enclosures, furniture, and DIY projects requiring a strong, corrosion-resistant fastener
Why Choose This Cap Screw?
Combining strength with corrosion resistance, 18/8 stainless cap screws are a reliable choice for demanding environments. The flat socket head minimizes protrusion and provides a clean, professional look in assemblies where space is at a premium.
For best results, pair with compatible hardware and use a proper Allen key to ensure a secure fit. These screws are designed to meet standard imperial specifications and integrate smoothly with compatible components and backing plates.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324