#4-40 x 1/2" Machine Screw, Hex Drive, Indented Hex Head, Coarse, Full Thread, Steel, Zinc CR+3 Finish

# Fasteners The MROSupply Fasteners #4-40 x 1/2" Machine Screw is engineered for precision and reliability in a wide range of applications. This high-quality fastener features a hex drive and an indented hex head design, ensuring ease of installation and a secure grip. Constructed from durable steel with a zinc CR+3 finish, it provides excellent resistance to corrosion and wear, making it ideal for both indoor and outdoor use. ## Key Features • **Dimensions**: #4-40 x 1/2" for versatile compatibility with various assemblies • **Drive Type**: Hex drive for enhanced torque application and reduced stripping risk • **Head Design**: Indented hex head allows for easy access in tight spaces • **Thread Type**: Coarse full thread for quick engagement and secure fastening • **Material and Finish**: Made from high-strength steel with a zinc CR+3 finish for superior corrosion resistance ## Applications • **Industrial Use**: Suitable for machine assembly, repair, and maintenance in manufacturing and automotive applications • **Construction**: Ideal for fastening components in construction projects requiring robust and reliable screws • **General Maintenance**: Perfect for everyday repairs and maintenance tasks in various settings, including workshops and industrial environments ## Benefits • **Enhanced Durability**: Zinc CR+3 finish ensures long-lasting performance even in harsh conditions • **Ease of Installation**: Hex drive design minimizes slippage, providing a secure fit for quick and efficient assembly • **Versatile Compatibility**: Coarse threads allow for use in a variety of materials, ensuring broad applicability across multiple industries --- *Product information compiled with AI assistance for reference purposes.*