S-94500A280 M4 x 4 mm ISO 7380 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Superior mechanical strength offering 70,000 psi tensile strength for reliable, high-stress fastening applications
• Optimized drive engagement with 2.5mm hex drive providing secure tool grip and reduced risk of stripping
• Enhanced durability and longevity from passivated surface finish that improves corrosion protection and wear resistance
• Precise thread engagement with Class 6g tolerance and coarse M4x0.7mm threading ensuring consistent performance
• Complete thread coverage with full threading along the 4mm length for maximum grip and load distribution
• Streamlined installation with rounded button head design that reduces snagging and provides a finished appearance

Professional Applications & Engineering Value

These M4 metric screws with 316 stainless steel composition deliver critical performance advantages in demanding industrial settings. The passivated finish significantly enhances corrosion resistance, making them ideal for marine, chemical processing, and food industry applications where moisture and corrosive agents are prevalent. The coarse thread pitch (0.7mm) combined with Class 6g thread fit ensures rapid installation and reliable engagement in various materials, reducing assembly time while maintaining vibration resistance. The rounded head design with hex drive provides both aesthetic appeal and practical benefits, eliminating sharp edges that could damage equipment or injure personnel. These fully threaded fasteners distribute clamping force evenly, preventing joint failure in mechanical assemblies, electronic enclosures, and structural components where corrosion-resistant fastening solutions are essential for long-term reliability.

Specification Summary & Compliance

This M4 x 0.7mm x 4mm fastener features precise Class 6g thread tolerances with coarse thread spacing and full threading throughout its length. Manufactured to ISO 7380 specifications, it ensures dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, confirming its environmental safety and regulatory acceptance for industrial use across global markets.