5/16"-18 x 4" Machine Screw, Slotted Drive, Flat Head, Coarse, Full Thread, Steel, Zinc CR+3 Finish

# Fasteners The MROSupply Fasteners 5/16"-18 x 4" Machine Screw is designed for reliable fastening in a variety of applications. This high-quality screw features a slotted drive and flat head, making it versatile for use in machinery, automotive, and construction projects. Made from durable steel with a zinc CR+3 finish, it offers excellent corrosion resistance while ensuring robust performance. ## Key Features • **Dimensions**: 5/16"-18 thread size and 4" length for a secure fit in various applications • **Drive Type**: Slotted drive allows for easy installation and removal with standard screwdrivers • **Head Style**: Flat head design provides a flush finish for aesthetic and functional purposes • **Thread Type**: Coarse, full thread design enhances grip and holding power • **Material**: Constructed from high-strength steel, ensuring durability and reliability in demanding environments ## Applications • **Industrial Use**: Perfect for fastening components in machinery and equipment • **Construction**: Ideal for securing structural elements in building projects • **Automotive**: Commonly used in automotive assembly and repair tasks • **Compatibility**: Works well with various materials and substrates, including metal and wood ## Benefits • **Enhanced Durability**: Zinc CR+3 finish provides superior corrosion resistance, extending the lifespan of the screw • **Ease of Use**: Slotted drive allows for quick and straightforward installation, reducing downtime • **Reliable Performance**: Coarse thread design offers superior holding power, ensuring components remain securely fastened --- *Product information compiled with AI assistance for reference purposes.*