S-90358A134 M5 x 18 mm Alloy Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional durability with Rockwell C32 hardness and 140,000 psi tensile strength, ensuring reliable performance in high-stress industrial environments.
• Precision thread fit with Class 5g6g tolerance for secure, vibration-resistant connections that minimize loosening and maintenance needs.
• Corrosion-resistant black-oxide coating on alloy steel extends service life and maintains integrity in harsh operating conditions.
• Ultra-low socket head profile allows for compact installations in space-constrained assemblies without compromising strength.
• Easy installation and removal with 3 mm hex drive, providing efficient tool engagement and reducing assembly time.
• Fully threaded coarse pitch design (0.8 mm) enables quick fastening and strong holding power in various materials.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global industry standards for sustainable sourcing.

Professional Applications & Engineering Value

This M5 socket head cap screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding applications. The black-oxide alloy steel construction provides superior resistance to wear and environmental factors, making it ideal for machinery, automotive, and equipment assembly where reliability is critical. With its ultra-low head profile and fully threaded coarse pitch design, it offers easy access in tight spaces and ensures rapid, secure fastening. The Class 5g6g thread fit guarantees precise alignment, reducing the risk of cross-threading and enhancing overall structural integrity. These features make it a top choice for engineers seeking high-performance metric socket screws that deliver long-term value and minimize downtime.

Specification Summary & Compliance

This product features a metric thread size M5 x 0.8 mm with Class 5g6g thread fit and length tolerance of -0.127 mm to 0.127 mm for consistent dimensional accuracy. It adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it meets stringent environmental and safety regulations. Manufactured from alloy steel with a right-hand coarse thread and fully threaded rod type, it is designed for robust performance in industrial fastening applications.