5/8"-11 X 3" Machine Screws | Flat Head | Slotted Drive | 316 Stainless Steel (10/Pkg.)

Engineered for durability in challenging environments, the Machine Screws Slotted Flat 316 Stainless 5/8-11 x 3 deliver reliable fastening for commercial, industrial, and marine applications. Made from premium 316 stainless steel, these slotted flat-head machine screws provide excellent corrosion resistance and a clean, flush finish in assemblies where strength matters.

Key specifications

• Head type: Slotted Flat Head
• Material: 316 Stainless Steel
• Thread pitch: 5/8-11 UNC
• Length: 3 in
• Drive compatibility: Slotted screwdriver
• Finish: Natural stainless, corrosion-resistant

Benefits

• Outstanding corrosion resistance in saltwater and chemical environments thanks to 316 stainless steel
• Flush seating with a flat-head design for a clean, professional look
• Strong, secure thread engagement with standard UNC coarse thread
• Suitable for indoor, outdoor, and marine hardware projects

Applications

Ideal for securing panels, brackets, equipment housings, electrical enclosures, cabinetry, and machinery where a robust, corrosion-resistant fastener is required.

Installation tips

• Use the proper slotted screwdriver to avoid damaging the head.
• Pair with compatible nuts, washers, or standoffs as needed for your assembly.
• Pre-drill pilot holes if working with hard materials to ensure accurate alignment.