Limited Offer 5/8-11 X 5-1/2″ Socket Cap Screws Flat Head Hex Socket Drive 18/8 Stainless Steel (2 / Pkg.)

Cap Screws Flat Socket 18/8 Stainless 5/8-11 X 5-1/2 are precision-engineered fasteners designed to deliver superior strength and corrosion resistance in a compact flat-head socket design. Crafted from 18/8 stainless steel (304), these cap screws offer excellent rust resistance and durability in a wide range of environments.

With a thread size of 5/8-11 UNC and a length of 5-1/2 inches, they provide reliable engagement in compatible tapped holes and ensure a secure, flush mounting surface for projects requiring a clean, low-profile fastener.

Key Specifications

Head type: Flat Socket Cap Screw (flat-head, countersunk)

Material: 18/8 stainless steel (304)

Thread: 5/8-11 UNC

Length: 5-1/2 inches

Finish: Passivated for corrosion resistance (typical for 304 stainless)

Benefits

Corrosion resistance: 304 stainless stands up to moisture, humidity, and many chemicals, making it suitable for outdoor and marine environments.

Strength and durability: High-quality stainless steel provides reliable performance in demanding applications.

Low-profile installation: Flat-head design allows flush mounting for a neat appearance and reduced snag risk.

Applications

Machinery and equipment assembly

Automotive and transportation components

Outdoor furniture, enclosures, and structural assemblies

Electrical or electronic housings requiring a secure flush mount

Maintenance tip: Regularly inspect fasteners for wear or corrosion, and clean with mild soap and water. Avoid harsh chemicals that can degrade stainless steel finishes.