S-91310A143 M12 x 70 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure.
• High hardness rating (Rockwell C32) provides superior wear resistance and extends service life in high-stress environments.
• Fully threaded design offers maximum grip and uniform clamping force along the entire length for secure fastening.
• Coarse metric thread with 1.75 mm pitch allows for quicker installation and better performance in materials prone to vibration or thermal expansion.
• Class 10.9 strength grade guarantees consistent high performance for heavy-duty industrial and construction applications.
• External hex head design enables easy installation and removal with standard tools, improving assembly efficiency.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory adherence for global supply chains.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this M12 hex head screw addresses critical challenges in construction, machinery assembly, and structural frameworks. The Class 10.9 steel construction, combined with a fully threaded metric design, provides exceptional resistance to vibration loosening and dynamic loads. The coarse thread with 1.75 mm pitch ensures rapid installation and reliable performance in materials like steel and cast iron, where fine threads might strip or fail. With a black finish offering basic corrosion resistance, this external hex drive bolt is ideal for environments requiring high-strength, durable fastening solutions that meet rigorous ISO 4017/DIN 933 standards, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This M12 x 1.75 x 70mm hex head screw features a Class 6g thread fit for precise engagement and consistent performance. Manufactured in accordance with ISO 4017/DIN 933 specifications, it ensures dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industries.