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

# Fasteners ## Overview The MROSupply Fasteners #4-40 x 1/2" Machine Screw is a high-quality fastening solution designed for a variety of industrial applications. Featuring a slotted drive and flat head, this coarse-thread screw is constructed from durable steel with a zinc CR+3 finish, ensuring enhanced corrosion resistance and longevity. With a full thread design, it provides superior grip and holding power, making it ideal for securing components in machinery, equipment, and other applications where reliability is paramount. ## Key Features • **Size**: #4-40 x 1/2" – perfect for a range of fastening needs • **Drive Type**: Slotted – allows for easy installation with standard tools • **Head Style**: Flat head – suitable for flush mounting in various materials • **Thread Type**: Coarse – optimized for quick engagement and strength • **Material**: Steel with zinc CR+3 finish – offers excellent corrosion resistance and durability ## Applications • **Industrial Use**: Ideal for securing components in machinery and equipment across various sectors • **Electrical Applications**: Suitable for fastening electrical enclosures and junction boxes • **General Maintenance**: Perfect for maintenance and repair tasks in automotive, construction, and manufacturing environments ## Benefits • **Enhanced Durability**: The zinc CR+3 finish provides superior protection against rust and wear • **Reliable Performance**: The full thread design ensures strong grip for long-lasting performance • **Versatile Compatibility**: Works well with a variety of materials, making it a versatile choice for many applications --- *Product information compiled with AI assistance for reference purposes.*