#4-40 x 3/8" Machine Screw, Hex Drive, Indented Hex Head, Coarse, Full Thread, Steel, Zinc CR+3 Finish

# Fasteners ## Overview Introducing the #4-40 x 3/8" Machine Screw from MROSupply Fasteners, designed for precision and reliability in various industrial applications. This hex drive machine screw features an indented hex head and is crafted from high-quality steel, ensuring strength and durability. With a coarse, full thread design, it is ideal for use in environments where secure fastening is crucial. The zinc CR+3 finish provides enhanced corrosion resistance, making it suitable for both indoor and outdoor applications. ## Key Features • **Size & Thread Specification**: #4-40 x 3/8", providing a robust fastening solution for a variety of projects. • **Drive Type**: Hex drive for superior torque transfer and ease of installation. • **Head Style**: Indented hex head for a clean, flush finish and reduced risk of stripping. • **Material**: Constructed from high-grade steel, ensuring long-lasting performance under stress. • **Finish**: Zinc CR+3 coating for excellent corrosion resistance, extending the life of the screw in various environments. ## Applications • **General Use**: Ideal for securing components in machinery, appliances, and equipment across multiple industries. • **Compatibility**: Designed to work with standard hex drive tools, making it easy to integrate into existing projects. • **Environmental Suitability**: Perfect for both indoor and outdoor applications, thanks to its corrosion-resistant finish. ## Benefits • **Enhanced Durability**: The high-quality steel construction ensures reliable performance even in demanding conditions. • **Ease of Installation**: The hex drive design allows for simple and efficient fastening, reducing installation time. • **Corrosion Resistance**: The zinc CR+3 finish protects against rust and wear, ensuring longevity and reliability in various settings. --- *Product information compiled with AI assistance for reference purposes.*