S-91290A158 M48 x 200 mm DIN 912 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior hardness (Rockwell C37) provides excellent wear resistance and durability, extending service life in demanding industrial environments.
• Black-oxide coating on alloy steel offers enhanced corrosion resistance, protecting against rust and maintaining integrity in harsh conditions.
• Precision Class 5g6g thread fit guarantees smooth assembly and secure fastening, minimizing play and vibration loosening.
• Partially threaded design allows for optimal grip and clamping force where needed, improving joint stability.
• 36mm hex drive and standard socket head enable easy installation with common tools, reducing assembly time and labor costs.
• Compliance with DIN 912, RoHS 3, and REACH ensures adherence to international standards and environmental regulations, supporting global supply chain requirements.

Professional Applications & Engineering Value

This M48x5mm Class 12.9 Metric Socket Head Cap Screw is engineered to address critical challenges in heavy-duty industrial settings, such as machinery assembly, construction equipment, and automotive systems. Its black-oxide alloy steel construction and coarse thread design provide superior resistance to shear and tensile forces, preventing joint failure under extreme loads. The partially threaded rod and right-hand thread ensure precise alignment and secure fastening in high-vibration environments, reducing maintenance needs. By meeting DIN 912 standards, it offers consistent dimensional accuracy and reliability, making it ideal for applications requiring high tensile strength and long-term durability. This fastener delivers exceptional engineering value by enhancing safety, efficiency, and compliance in professional projects.

Specification Summary & Compliance

This product features a metric thread size M48x5mm with Class 5g6g thread fit for precise tolerance, ensuring compatibility and ease of use. It adheres to DIN 912 specifications for socket head cap screws, guaranteeing dimensional consistency and performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms it meets environmental and safety regulations, supporting sustainable and responsible sourcing in industrial applications.