Secure and corrosion-resistant, the Machine Screws Phil Flat 18/8 Stainless Black Oxide 1/4-20 x 3 1/2 is designed for durable metal fastening with a flush finish. Crafted from 18/8 stainless steel and finished with a black oxide coating, these screws combine corrosion resistance with a low-profile aesthetic.

Specifications

• Material: 18/8 stainless steel (304)
• Finish: Black oxide
• Drive Type: Phillips
• Head Style: Flat
• Thread Size: 1/4-20 UNC
• Length: 3-1/2 in

With a Phillips drive and a flat head, these machine screws sit flush in panels and work surfaces, delivering secure, dependable fastening for a wide range of metal assemblies. The 1/4-20 thread provides compatibility with standard components, while the long 3-1/2 inch length accommodates thicker materials or deep-set applications.

Ideal for projects requiring stainless steel durability and a discreet finish, these screws resist corrosion in everyday environments and maintain strength over time. Use them in equipment enclosures, machinery assemblies, or metal housing where a robust, corrosion-resistant fastener is essential.