Midwest Fastener #4-40 x 1/4 in. Black Oxide Socket Head Cap Screw

The Midwest Fastener #4-40 x 1/4 in. Black Oxide Socket Head Cap Screw is engineered for precise fastening applications requiring dependable strength and a secure hold. Manufactured from high-quality steel with a durable black oxide finish, this cap screw delivers reliable performance and corrosion resistance for machinery, equipment assembly, and detailed hardware projects. Designed with a recessed hex socket drive, it allows for smooth installation and excellent torque transfer in tight spaces where standard tools cannot reach. Ideal for industrial, automotive, and workshop use, this fastener ensures a clean, flush profile and consistent holding power.