5/16″-18 X 3/4″ Machine Screws Flat Head Phillips Drive 18/8 Stainless Steel (100/Pkg.) Sale
Original price was: $18.18.$9.45Current price is: $9.45.
For orders under $150.00, a shipping fee of $12.99 applies.
Choose robust, corrosion-resistant fastening with our Phillips flat-head machine screws. Made from 18/8 stainless steel, these screws deliver dependable strength and lasting performance in metal assemblies where a flush, countersunk finish is required.
Product Highlights
Type: Phillips flat-head machine screws
Material: 18/8 stainless steel (Type 304)
Diameter and thread: 5/16″-18 UNC
Length: 3/4″ (0.75″)
Drive: Phillips
Finish: Stainless, corrosion resistant
These screws are ideal for metal enclosures, control panels, automotive assemblies, and other projects that require a strong, durable fastener with a flush, countersunk finish. The 5/16-18 UNC threads provide reliable mating with tapped holes or nuts, while the 18/8 stainless steel construction resists rust and corrosion in challenging environments.
Specifications
Drive type: Phillips
Head style: Flat-head (countersunk)
Material: 18/8 stainless steel
Diameter: 5/16″ (0.3125″)
Thread pitch: 18 per inch (18 UNC)
Length: 3/4″ (0.75″)
Finish: Stainless





