S-91287A407 M20 x 35 mm ISO 4017, DIN 933 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior 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
• Precision Class 6g thread fit provides consistent engagement and reduces the risk of cross-threading
• Coarse 2.5mm pitch thread design enables faster installation and better performance in softer materials
• Fully threaded shank offers maximum grip length and uniform clamping force across the entire fastener
• External hex drive with 30mm head allows for high torque application using standard tools
• Compliance with international standards including ISO 4017 DIN 933, ensuring interchangeability and quality assurance

Professional Applications & Engineering Value

These M20 hex head screws deliver exceptional engineering value in demanding industrial applications where corrosion resistance and mechanical strength are critical. The 18-8 stainless steel composition provides excellent protection against rust and chemical degradation, making these metric screws ideal for outdoor equipment, marine environments, and chemical processing facilities. The coarse thread configuration with 2.5mm pitch ensures rapid installation and superior holding power in various substrates, while the fully threaded design distributes clamping force evenly across the entire engagement length. The external hex drive accommodates standard wrenches for high-torque applications, providing reliable fastening in structural assemblies, machinery frames, and heavy equipment where vibration resistance is paramount.

Specification Summary & Compliance

This M20 x 2.5mm x 35mm hex head screw features precision Class 6g thread fit tolerance according to ISO metric standards, ensuring consistent threading performance. Manufactured to ISO 4017 DIN 933 specifications, these fasteners guarantee dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, containing no restricted substances and meeting current environmental standards for industrial use across global markets.