S-90657A103 M3 x 5 mm DIN 920 Steel Cheese Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments
• High tensile strength of 60,000 psi provides exceptional load-bearing capacity and prevents fastener failure under stress
• Class 6g thread fit with coarse 0.5mm pitch enables quick installation and secure fastening in various materials
• Narrow rounded cheese head design offers low-profile installation while maintaining excellent torque transmission
• Full threading along the 5mm length ensures maximum grip and uniform stress distribution throughout the fastener
• Rockwell B71 hardness rating maintains thread integrity and prevents stripping during repeated installations
• Slotted drive compatibility allows for easy installation with standard tools while maintaining cost-effectiveness

Professional Applications & Engineering Value

These M3 metric screws with zinc-plated steel construction address critical industrial fastening challenges where corrosion resistance and mechanical reliability are paramount. The fully threaded design with coarse 0.5mm pitch provides superior holding power in soft materials and plastics, while the narrow rounded head profile minimizes protrusion in space-constrained assemblies. Engineered to DIN 920 standards, these slotted drive screws deliver consistent performance in electrical enclosures, machinery panels, and automotive components where vibration resistance and environmental durability are essential. The combination of 60,000 psi tensile strength and Rockwell B71 hardness ensures these fasteners maintain clamping force under dynamic loads, preventing loosening in critical applications.

Specification Summary & Compliance

This M3 x 0.5mm x 5mm metric screw features Class 6g thread tolerance for precise fitment and fully threaded construction for maximum engagement. Manufactured in compliance with DIN 920 specifications for dimensional accuracy and performance standards. The product meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) regulations for chemical safety, ensuring environmental responsibility and workplace safety standards.