S-91290A197 M5 x 45 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in demanding applications, preventing fastener failure under high stress.
• Superior hardness (Rockwell C37) provides excellent wear resistance and durability, extending the screw's service life in abrasive environments.
• Black-oxide finish on alloy steel offers enhanced corrosion resistance, protecting the fastener and maintaining its integrity.
• Class 12.9 strength rating guarantees high clamp load and fatigue resistance, ideal for critical assemblies.
• Precision 4mm hex drive and standard socket head allows for secure tool engagement and high torque application without stripping.
• Coarse M5 x 0.8mm thread enables quick and easy installation, reducing assembly time and labor costs.
• Full threading along the 45mm length provides consistent holding power and flexibility in various material thicknesses.

Professional Applications & Engineering Value

This M5 socket head cap screw is engineered to address critical challenges in industrial settings where vibration, heavy loads, and environmental factors can compromise fastener integrity. The black-oxide alloy steel construction combats rust and corrosion, making it suitable for machinery, automotive, and outdoor equipment. Its Class 12.9 strength and 170,000 psi tensile strength ensure it withstands extreme forces without loosening, reducing maintenance needs and downtime. The fully threaded design and coarse metric thread facilitate secure fastening in diverse materials, from metal frames to plastic housings, providing a reliable solution for engineers seeking durable, high-performance industrial fasteners that meet stringent international standards.

Specification Summary & Compliance

This screw adheres to precise dimensional and performance criteria, including Thread Fit Class 5g6g for consistent engagement and M5 x 0.8mm coarse thread specifications. It is manufactured in compliance with DIN 912 and ISO 4762 standards, ensuring interchangeability and quality. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its environmental safety and suitability for global markets.