S-91287A311 M8 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 demanding mechanical loads
• Fully threaded design provides maximum grip and uniform load distribution across the entire length
• Coarse 1.25 mm pitch thread enables faster installation and reduced risk of cross-threading
• Class 6g thread fit guarantees precise, secure fastening with standard metric nuts
• External hex drive head allows for high-torque application using common wrenches
• Compliance with RoHS 3 and REACH regulations ensures environmental and safety standards are met

Professional Applications & Engineering Value

This M8 hex head screw delivers critical engineering advantages in industrial settings where corrosion resistance and mechanical reliability are paramount. Manufactured from 18-8 stainless steel, it effectively resists rust and chemical degradation in demanding environments such as outdoor machinery, food processing equipment, and marine applications. The fully threaded metric coarse thread design ensures maximum engagement and vibration resistance, while the external hex drive facilitates efficient installation with standard tools. With its 100,000 psi tensile strength and compliance with ISO 4017/DIN 933 standards, this fastener provides dependable performance in structural assemblies, mechanical frames, and heavy-duty equipment where failure is not an option.

Specification Summary & Compliance

This M8 x 1.25 x 55mm hex head screw features Class 6g thread fit tolerance per metric standards and is manufactured to ISO 4017/DIN 933 specifications. It is fully compliant with RoHS 3 (2015/863/EU) with applicable exemptions and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety requirements for industrial components.