#4-40 x 1/2" Machine Screw, Star Drive, Flat Head, Coarse, Full Thread, Stainless A2 (304 18-8)

# Fasteners - Machine Screw The #4-40 x 1/2" Machine Screw from MROSupply Fasteners is a high-quality fastening solution designed for a wide range of applications. Engineered for precision and reliability, this screw features a star drive and flat head design, making it suitable for various assembly and repair tasks. Made from stainless steel A2 (304 18-8), it ensures durability and resistance to corrosion, making it ideal for both indoor and outdoor use. ## Key Features • **Size**: #4-40 x 1/2" – perfect for securing components in tight spaces. • **Drive Type**: Star drive – provides enhanced grip and reduces the risk of cam-out during installation. • **Head Style**: Flat head – allows for a flush finish when installed, suitable for applications requiring a smooth surface. • **Thread Type**: Coarse, full thread – ensures strong engagement with materials for optimal holding power. • **Material**: Stainless steel A2 (304 18-8) – offers excellent corrosion resistance and strength, making it suitable for various environments. ## Applications • **Industrial**: Commonly used in machinery, HVAC systems, and electrical enclosures where robust fastening is required. • **Construction**: Ideal for securing fixtures, brackets, and components in building projects. • **Automotive**: Suitable for use in automotive assemblies where resistance to rust and high tensile strength are crucial. ## Benefits • **Durability**: Stainless steel construction provides long-lasting performance even in harsh conditions. • **Ease of Installation**: Star drive design simplifies installation while minimizing slippage, enhancing efficiency. • **Versatility**: Perfect for a variety of applications across multiple industries, ensuring a reliable fastening solution. --- *Product information compiled with AI assistance for reference purposes.*