S-91290A852 M20 x 60 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi from Class 12.9 alloy steel ensures reliable performance under extreme loads, reducing the risk of fastener failure in critical assemblies.
• Superior corrosion resistance provided by the black-oxide surface treatment prolongs service life in harsh industrial environments, minimizing maintenance and replacement costs.
• Precise Class 5g6g thread fit guarantees smooth installation and secure fastening, preventing cross-threading and ensuring consistent clamp load in repetitive applications.
• High hardness rating of Rockwell C37 offers excellent wear resistance, maintaining thread integrity and drive features through multiple installation cycles.
• Standard hex drive design with 17mm socket allows for high torque application using common tools, speeding up assembly and disassembly processes.
• Full threading along the 60mm length provides maximum grip and adjustability, accommodating various material thicknesses in complex assemblies.
• Compliance with DIN 912/ISO 4762 standards ensures dimensional accuracy and interchangeability, simplifying procurement and inventory management for global operations.

Professional Applications & Engineering Value

This M20 socket head cap screw delivers critical engineering solutions for heavy-duty industrial applications where vibration resistance and structural integrity are paramount. The black-oxide alloy steel construction combined with Class 12.9 strength rating addresses common failure points in machinery, automotive, and construction equipment by providing superior resistance to shock loads and fatigue. The coarse 2.5mm thread pitch ensures rapid installation in tough materials while maintaining holding power, significantly reducing assembly time in production environments. With its fully threaded design and right-hand thread direction, this metric socket screw offers versatile fastening capabilities for jigs, fixtures, and structural frames requiring precise alignment and reliable clamping force throughout the 60mm length.

Specification Summary & Compliance

Manufactured to exact DIN 912/ISO 4762 specifications with Class 5g6g thread fit tolerance for consistent dimensional accuracy. The M20 x 2.5mm coarse thread configuration ensures proper engagement in accordance with international metric standards. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental responsibility and material safety for global supply chain integration.