1/4"-20 X 4" Machine Screws | Oval Head | Phillips Drive | 316 Stainless Steel (100/Pkg.)

Machine Screws Phil Oval 316 Stainless 1/4-20 X 4 are high-quality fasteners engineered for durable metal-to-metal assemblies in challenging environments. Made from 316 stainless steel, these screws deliver excellent corrosion resistance and reliable performance in outdoor and marine settings. With a 1/4-20 UNC thread and a 4-inch length, they are a versatile choice for automotive, electrical, and enclosure applications.

Key features

• Material: 316 stainless steel for superb corrosion resistance and strength
• Head style: Oval head for a smooth, low-profile finish
• Drive type: Phillips drive for easy installation with standard screwdrivers
• Thread format: 1/4-20 UNC, the common coarse thread suitable for many assemblies
• Length: 4 inches overall
• Finish: Natural stainless steel (uncoated) for lasting durability

Applications

Ideal for equipment enclosures, control panels, automotive assemblies, marine hardware, and any project requiring a sturdy, corrosion-resistant screw that sits flush with the surface.

Specifications

• Product type: Machine screw
• Head: Oval
• Drive: Phillips
• Material: 316 stainless steel
• Thread size: 1/4-20
• Length: 4 in

Installation and care

To ensure optimal performance, use the proper Phillips driver, align the thread with the pilot hole, and avoid over-tightening to prevent stripping. For outdoor or wet environments, a corrosion-resistant stainless steel screw like this offers extended service life with minimal maintenance.