S-91502A295 M20 x 80 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Class 12.9 rating and 170,000 psi tensile strength, ideal for high-stress industrial applications.
• Superior corrosion resistance provided by the blue-dyed zinc plating on alloy steel, extending service life in harsh environments.
• Precise and secure fastening enabled by the partially threaded design and M20 coarse thread (2.5mm pitch), ensuring optimal grip and vibration resistance.
• Easy installation and high torque capability with the 17mm hex socket drive, allowing for efficient assembly with standard tools.
• Consistent dimensional accuracy meeting DIN 912/ISO 4762 standards and Class 5g6g thread fit, guaranteeing interchangeability and reliable performance.
• Enhanced durability and wear resistance due to Rockwell C37 hardness, reducing the risk of stripping or deformation under load.
• Compliance with environmental and safety regulations including RoHS 3 and REACH, ensuring safe use in various industrial sectors.

Professional Applications & Engineering Value

This M20 socket head cap screw is engineered to address critical fastening challenges in demanding environments. The blue-dyed zinc-plated alloy steel construction offers excellent protection against corrosion, making it suitable for outdoor machinery, automotive assemblies, and heavy equipment where exposure to moisture and chemicals is common. The Class 12.9 high strength and coarse thread metric design (M20 x 2.5mm pitch) provide robust clamping force and resistance to loosening under vibration, essential for structural frameworks and precision engineering. With a partially threaded shank and 52mm thread length, it ensures focused stress distribution and secure joint integrity, reducing the risk of fatigue failure. The 17mm hex drive allows for high-torque installation, streamlining maintenance and assembly processes in industrial fastening applications.

Specification Summary & Compliance

This product adheres to DIN 912/ISO 4762 standards, ensuring precise dimensional tolerances and a Class 5g6g thread fit for consistent performance. It is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility. The screw features a right-hand thread direction and metric coarse threading, with a minimum thread length of 52mm and overall length of 80mm, designed for reliable use in various industrial settings.