Bulk 5/16-18 Phillips Flat Head Machine Screws – 18-8 Stainless Black Oxide | Fully Threaded Length:500 Qty - 5/16-18 x 1-3/4" Bulk Packs: Cost-effective for industrial

Bulk Packs: Cost-effective for industrial use

serrated flanged screws resist plastic deformation under high compressive stress

Automotive and mechanical applications

or moisture demands top-tier durability

✔️ Trusted by industry professionals

Bulk 5/16-18 Phillips Flat Head Machine Screws – 18-8 Stainless Black Oxide | Fully Threaded Length:500 Qty - 5/16-18 x 1-3/4" Bulk Packs: Cost-effective for industrialMonster Overview: Fix your project right the first time with Bulk 5 16 18 Phillips Flat Head Machine Screws made from 18 8 Stainless Steel and finished with a sleek Black Oxide Coating. These fully threaded fasteners are ideal for countersunk installations where strength, flush fit, and corrosion resistance are essential. Rated at 80,000 psi minimum tensile strength (100,000 psi after cold working), these screws are perfect for mounting brackets,