1/4″-20 X 3″ Machine Screws Flat Head Phillips Drive 316 Stainless Steel (100/Pkg.) Genuine

Our Machine Screws Phil Flat 316 Stainless 1/4-20 x 3 are built for reliability in challenging environments. Crafted from 316 stainless steel, these Phillips drive, flat-head machine screws deliver superior corrosion resistance and a clean, flush finish in a variety of applications—from outdoor equipment and marine installations to industrial enclosures and machinery assemblies.

Specifications

Material: 316 stainless steel for excellent corrosion resistance and durability.

Head style: Flat head (countersunk) for a smooth, flush install.

Drive type: Phillips (PH) drive for reliable seating with standard screwdrivers.

Thread size: 1/4-20 UNC coarse thread for strong engagement in tapped holes.

Length: 3 inches overall.

Designed for demanding environments, these screws combine strength and longevity with a professional finish. Use with compatible nuts or tapped holes to secure panels, brackets, or components where a flush, corrosion-resistant fastener is required. Whether you’re assembling outdoor equipment, marine hardware, or rugged machinery, these 1/4-20 x 3 Phillips flat-head screws are a dependable choice that stands up to the elements.