S-91274A143 M6 x 30 mm ASTM B117, DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 12.9 rating and 170,000 psi tensile strength, ideal for high-stress applications
• Superior corrosion resistance provided by zinc-flake coating on alloy steel, extending service life in harsh environments
• High hardness of Rockwell C37 ensures excellent wear resistance and maintains thread integrity under repeated use
• Precise hex drive (5 mm) allows for secure tool engagement and reliable torque transmission without slippage
• Coarse 1 mm pitch thread (Class 5g6g fit) enables quick assembly and strong holding power in various materials
• Full M6 x 30 mm threading offers consistent fastening along the entire length for uniform load distribution
• Compliance with ISO 4762 and DIN 912 standards guarantees dimensional accuracy and interchangeability in global applications

Professional Applications & Engineering Value

This M6 socket head cap screw is engineered for demanding industrial environments where reliability is critical. The zinc-flake-coated alloy steel construction provides robust protection against corrosion, addressing common failure points in machinery exposed to moisture or chemicals. With a Class 12.9 strength rating and 170,000 psi tensile strength, it withstands extreme vibrations and heavy loads in automotive, aerospace, and heavy equipment assemblies. The standard hex drive and coarse metric thread ensure easy installation with standard tools, reducing assembly time while maintaining high clamp force. Ideal for precision applications requiring ISO 4762 and DIN 912 compliance, this screw delivers consistent performance in jigs, fixtures, and structural frameworks, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This product features M6 x 1 mm coarse metric thread with Class 5g6g tolerance for precise fit, and a 30 mm fully threaded length. It meets ISO 4762 and DIN 912 dimensional standards, ensuring reliable performance. The screw is manufactured in compliance with ASTM B117 for corrosion testing, and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmental and safety regulations in industrial supply chains.