S-91290A428 M8 x 22 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the black-oxide finish prolongs service life in harsh industrial environments.
• Precise Class 5g6g thread fit guarantees smooth installation and secure fastening with minimal play.
• High hardness (Rockwell C37) provides excellent wear resistance, maintaining integrity under repeated use.
• Standard 6mm hex drive allows for easy installation with common tools, improving assembly efficiency.
• Fully threaded design offers consistent clamping force along the entire length for uniform load distribution.
• Compliance with DIN 912/ISO 4762 ensures interchangeability and reliability in global engineering projects.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this M8 socket head cap screw delivers unmatched reliability in machinery, automotive, and heavy equipment assembly. The black-oxide alloy steel construction combats corrosion and wear, while the Class 12.9 strength rating handles extreme vibrational and tensile loads without compromising integrity. Its coarse thread (1.25mm pitch) facilitates quick installation in tough materials, reducing assembly time and labor costs. The standard hex drive ensures compatibility with widespread tooling, making it ideal for maintenance and production lines where durability and precision are critical.

Specification Summary & Compliance

This screw adheres to ISO 4762/DIN 912 dimensional standards with a Class 5g6g thread fit for precise tolerance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability. The fully threaded M8 x 1.25mm design and 22mm length provide consistent performance in accordance with international engineering specifications.