S-91280A963 M27 x 100 mm ISO 4017, DIN 933 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 110,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Class 8.8 strength grade provides a robust balance of strength and flexibility, ideal for general engineering and construction uses where durability is critical.
• Fully threaded coarse pitch design (M27 x 3mm) offers superior grip and faster installation, minimizing assembly time while maintaining secure fastening.
• Rockwell C21 hardness enhances wear resistance and longevity, making it suitable for repetitive use in industrial environments without significant degradation.
• External hex drive and hex head allow for easy tightening with standard tools, improving efficiency and reducing the need for specialized equipment.
• Compliance with ISO 4017 (DIN 933) ensures dimensional accuracy and interchangeability, facilitating seamless integration into global projects and machinery.
• RoHS 3 and REACH compliant materials guarantee environmental safety and regulatory adherence, supporting sustainable and responsible manufacturing practices.

Professional Applications & Engineering Value

This M27 hex head screw is engineered to address common industrial challenges, such as vibration loosening and structural instability. Made from high-quality steel with a Class 8.8 strength rating and Rockwell C21 hardness, it withstands heavy loads and harsh conditions in applications like machinery assembly, construction frameworks, and automotive components. The fully threaded right-hand coarse thread design ensures maximum holding power and quick installation, reducing downtime. Its external hex drive simplifies maintenance, while compliance with ISO 4017 standards guarantees precision and reliability, making it a trusted choice for engineers seeking durable, efficient industrial fasteners.

Specification Summary & Compliance

This product features a metric thread size M27 x 3mm with Class 6g thread fit for precise tolerance, ensuring consistent performance. It adheres to ISO 4017 (equivalent to DIN 933) manufacturing specifications, covering dimensions and mechanical properties. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms it is free from hazardous substances, supporting safe and environmentally conscious usage in various sectors.