Black Oxide 18-8 Stainless Steel is used on black tools, gun builders and car and motorcycles looking for that black sleek look. Black Oxide Stainless Steel fasteners are chemically treated and are finished with wax.
Phillips Flat Head Machine Screws are driven with a Phillips bit. Phillips Flat Head Machine Screws in Black Oxide Stainless Steel have clean heads with no stamping or marking for a sleek finished look. A Phillips Flat Head Screw is also known as a machine screw, Phillips screw or a machine screw bolt.