S-91310A539 M8 x 35 mm ISO 4017, DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior load-bearing capability with Class 10.9 strength grade, ensuring reliable performance under high-stress conditions.
• Enhanced durability and wear resistance due to Rockwell C32 hardness, extending service life in demanding environments.
• Efficient installation and removal with an external hex drive and 13mm head width, compatible with standard tools for quick assembly.
• Secure and precise fastening thanks to the M8x1.25 coarse thread and Class 6g fit, reducing the risk of cross-threading.
• Full-length threading provides consistent grip along the entire 35mm length, ideal for applications requiring uniform clamping force.
• Compliance with international standards including ISO 4017 and DIN 933, guaranteeing interchangeability and quality assurance.
• Environmentally safe usage with RoHS 3 and REACH compliance, meeting regulatory requirements for industrial and construction sectors.

Professional Applications & Engineering Value

This M8 hex head screw is engineered from high-strength steel to address critical challenges in industrial assemblies, such as vibration loosening and structural fatigue. The coarse thread design with a 1.25 mm pitch ensures rapid installation and robust holding power in materials like metal and heavy-duty plastics, minimizing assembly time while maximizing reliability. Fully threaded along its 35 mm length, it distributes clamping force evenly, preventing joint failure in construction and machinery applications. The external hex drive allows for high torque application, making it suitable for automated or manual fastening processes where precision and repeatability are paramount. By adhering to ISO 4017 and DIN 933 standards, this fastener delivers consistent performance, reducing downtime and maintenance costs in demanding environments.

Specification Summary & Compliance

This product features precise metric dimensions: M8 thread size with a 1.25 mm coarse pitch and 35 mm length, manufactured to Class 6g thread fit for accurate engagement. It complies with ISO 4017 and DIN 933 specifications, ensuring dimensional consistency and reliability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial applications without hazardous substances.