#4-40 x 1/2" Socket Head Knurled Cup Point Set Screw, Hex Key Drive, Coarse, Alloy Steel, Black Oxide Finish

# Fasteners ## Overview Introducing the **#4-40 x 1/2" Socket Head Knurled Cup Point Set Screw** from MROSupply Fasteners. This high-quality set screw is designed for secure fastening in a variety of applications, making it an essential component in any maintenance, repair, and operations (MRO) toolkit. Crafted from durable alloy steel and finished with a black oxide coating, this set screw offers both strength and resistance to corrosion, ensuring long-lasting performance in demanding industrial environments. ## Key Features • **Dimensions**: #4-40 thread size and 1/2" length, ideal for various fastening needs. • **Design**: Socket head with a knurled cup point for enhanced grip and secure fastening. • **Material**: Made from premium alloy steel, providing excellent tensile strength and durability. • **Finish**: Black oxide finish that enhances corrosion resistance and reduces friction during installation. • **Drive Type**: Hex key drive, allowing for easy installation and removal with standard hex tools. ## Applications • **Industrial Machinery**: Perfect for securing components in machinery and equipment across various sectors. • **Automotive**: Used in automotive applications for fastening parts where space is limited. • **Electronics**: Suitable for fastening electronic components where precision and reliability are crucial. • **General Maintenance**: Ideal for general MRO applications in workshops and manufacturing facilities. ## Benefits • **Enhanced Grip**: The knurled cup point design ensures a tight grip, reducing the risk of loosening under vibration. • **Corrosion Resistance**: The black oxide finish protects against rust and wear, extending the life of the fastener. • **Versatile Use**: Compatible with a wide range of materials and applications, making it a versatile addition to any toolkit. • **Easy Installation**: The hex key drive simplifies installation and maintenance, saving time and effort. --- *Product information compiled with AI assistance for reference purposes.*