Trusted Brand 5/16″-18 X 2-1/4″ Machine Screws Pan Head Phillips Drive Steel Black Oxide (600/Pkg.)

Machine Screws Phil Pan Steel Black Oxide 5/16-18 x 2 1/4 are precision-engineered Phillips Pan head machine screws designed for rugged metal-to-metal fastening. Manufactured from high-grade steel and finished in black oxide, these screws deliver reliable performance in demanding environments.

With a 5/16-18 UNC thread and a length of 2 1/4 inches, they are a versatile fastener for a wide range of applications, from machinery and automotive assemblies to electronics enclosures and general hardware repairs.

Specifications

Head style: Phillips Pan

Material: Steel

Finish: Black Oxide

Thread: 5/16-18 UNC

Length: 2 1/4 in

Drive type: Phillips

Key benefits

Corrosion-resistant black oxide finish for extended life in moderate harsh environments

Standard UNC thread ensures compatibility with a wide range of parts and components

Phillips drive allows easy installation with common hand and power tools

Durable steel construction supports reliable, long-lasting fastening

Applications

Ideal for equipment housings, mounting brackets, panels, and assemblies that require a secure, clean, and low-profile fastener.