S-91306A651 M2 x 3 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 10.9 strength rating and 140,000 psi tensile strength for reliable performance in high-stress environments
• Superior corrosion resistance through zinc-plated alloy steel construction, extending service life in demanding industrial conditions
• Precision installation control with 1.3 mm hex drive design that prevents tool slippage and ensures proper torque application
• Optimized thread engagement through Class 6g fit and coarse thread spacing, providing secure fastening with reduced cross-threading risk
• Maximum surface contact from the rounded button head profile, distributing clamping force evenly across joined materials
• Full-length thread coverage enabling complete utilization of the 3 mm length for superior holding power in shallow applications
• Consistent performance assurance with Rockwell C32 hardness maintaining dimensional stability under repeated use

Professional Applications & Engineering Value

This M2 x 0.4 mm metric screw delivers critical engineering solutions where space constraints meet high mechanical demands. The zinc-plated alloy steel construction provides essential corrosion protection for electronics, machinery, and automotive components exposed to harsh environments. The fully threaded design with coarse spacing ensures rapid assembly while maintaining vibration resistance, particularly valuable in production line applications. The rounded head profile with hex drive configuration addresses common installation challenges by preventing cam-out and providing flush mounting surfaces. Engineered to ISO 7380 specifications, these Class 10.9 fasteners offer reliable performance in precision equipment, industrial controls, and heavy-duty assemblies where failure is not an option.

Specification Summary & Compliance

This precision fastener features M2 x 0.4 mm coarse thread with Class 6g tolerance for consistent fit and performance. Manufactured to ISO 7380 standards with complete compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The Class 10.9 strength classification ensures mechanical properties meet international specifications for high-strength applications, backed by Rockwell C32 hardness verification and 140,000 psi tensile strength certification.