#4-40 x 5/16" Machine Screw, Slotted Drive, Binder Undercut Head, Coarse, Full Thread, Steel, Zinc CR+3 Finish

# Fasteners ## Overview MROSupply Fasteners presents the #4-40 x 5/16" Machine Screw, expertly designed for a variety of fastening applications in industrial settings. This machine screw features a slotted drive and a binder undercut head, making it ideal for securing components where space is limited or where a flush finish is required. Crafted from high-quality steel and treated with a Zinc CR+3 finish, this screw is engineered for durability and corrosion resistance, ensuring long-lasting performance in various environments. ## Key Features • **Dimensions**: #4-40 size with a length of 5/16" for precise fit and secure fastening • **Drive Type**: Slotted drive allows for easy installation and removal using standard tools • **Head Style**: Binder undercut head design provides a clean, finished look while reducing the risk of snagging • **Thread Type**: Coarse full thread enhances grip and stability, making it suitable for various materials • **Material & Finish**: Constructed from robust steel with a Zinc CR+3 finish for enhanced corrosion resistance and longevity ## Applications • **General Assembly**: Ideal for use in assembling machinery, electronic components, and automotive applications • **Compatibility**: Versatile compatibility with various materials including wood, metal, and plastic • **Environments**: Suited for indoor and outdoor applications where resistance to corrosion and wear is critical ## Benefits • **Strength and Reliability**: The high-strength steel construction ensures that the screw can withstand heavy loads and stress without deformation • **Ease of Use**: The slotted drive allows for straightforward installation, reducing labor time and improving efficiency on the job site • **Corrosion Resistance**: The Zinc CR+3 finish protects against rust and deterioration, extending the lifespan of the fastener in harsh environments --- *Product information compiled with AI assistance for reference purposes.*