5/16"-18 x 4" Hex Head Cap Screw, Coarse, Partial Thread, Grade 5 Medium Carbon Steel, Zinc CR+3 Finish

Fasteners The **5/16"-18 x 4" Hex Head Cap Screw** from MROSupply Fasteners is an essential component designed for robust fastening applications. This cap screw features a coarse thread and is constructed from medium carbon steel, making it ideal for a variety of industrial and mechanical applications where strength and durability are critical. The zinc CR+3 finish provides excellent corrosion resistance, enhancing the longevity of the screw in harsh environments. ## Key Features • **Size and Threading**: 5/16"-18 diameter with a length of 4 inches, featuring a coarse threading for enhanced grip and stability. • **Material**: Made from Grade 5 medium carbon steel, offering a tensile strength of 120, 000 psi, ideal for structural applications. • **Finish**: Zinc CR+3 plated for superior corrosion resistance, ensuring longevity in outdoor and wet environments. • **Design**: Hex head design allows for easy installation and removal using standard wrenches or sockets. • **Partial Thread**: Designed with a partial thread, providing better grip and holding power in various materials. ## Applications • **Industrial Applications**: Perfect for machinery assembly, automotive, and construction applications where strong fastening is required. • **Compatibility**: Suitable for use with various nuts and washers, ensuring versatility across different projects. • **Environmental Suitability**: Ideal for both indoor and outdoor applications due to its corrosion-resistant finish. ## Benefits • **High Strength**: The Grade 5 rating ensures that this cap screw can withstand heavy loads and high-stress conditions. • **Durability**: The zinc CR+3 finish protects against rust and corrosion, enhancing the service life of the fastener. • **Ease of Use**: The hex head design simplifies installation and maintenance, reducing downtime in operational settings. --- *Product information compiled with AI assistance for reference purposes.*