S-91287A414 M20 x 55 mm ISO 4017, DIN 933 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• High tensile strength of 100,000 PSI ensures reliable performance under heavy loads and vibration
• Full threading along the 55mm length provides maximum grip and uniform load distribution
• Precise Class 6g thread fit guarantees smooth assembly and consistent fastening accuracy
• Coarse 2.5mm pitch design enables quick installation and reduced cross-threading risks
• External hex drive and 30mm head allows for high-torque application with standard tools
• Compliance with ISO 4017 DIN 933 ensures international quality and interchangeability

Professional Applications & Engineering Value

This M20 hex head screw delivers critical reliability in demanding applications where corrosion resistance and structural integrity are paramount. Manufactured from 18-8 stainless steel, it withstands corrosive environments in chemical processing, marine equipment, and outdoor infrastructure. The coarse metric thread with 2.5mm pitch and Class 6g tolerance ensures rapid installation and secure fastening in steel frameworks, machinery assembly, and heavy-duty construction. Its fully threaded design maximizes contact surface, distributing stress evenly to prevent joint failure under dynamic loads. Engineered to ISO 4017 DIN 933 specifications, this screw provides consistent performance in high-vibration settings, reducing maintenance needs and downtime.

Specification Summary & Compliance

This fully threaded metric screw features M20 x 2.5mm coarse threads with Class 6g thread fit per ISO standards, ensuring precise dimensional accuracy. It meets ISO 4017 DIN 933 manufacturing specifications for hex head bolts and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial use without hazardous substances.