S-94178A112 M4 JIS B 1181 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc yellow-chromate plating, extending service life in harsh industrial environments
• High-strength Class 8 rating ensures reliable performance under heavy loads and vibration
• Coarse 0.7mm pitch threads provide quick assembly and reduced cross-threading risk
• Precise Class 6H thread fit guarantees secure mating with bolts and consistent torque application
• Standard 7mm hex profile allows for easy installation with common wrenches and tools
• JIS B 1181 compliance assures quality and interchangeability in metric fastener systems
• Right-hand threading design simplifies installation for standard rotational applications

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this M4 hex nut combines zinc yellow-chromate plated steel construction with Class 8 strength to withstand high-stress applications. The coarse metric thread (0.7mm pitch) enables rapid installation in assembly lines while minimizing thread damage. With JIS B 1181 certification and Class 6H thread fit, it delivers precise engagement in machinery, automotive, and electrical enclosures where vibration resistance and corrosion protection are critical. The external hex drive and standard 7mm width ensure compatibility with universal tools, reducing installation time and maintenance costs.

Specification Summary & Compliance

This metric hex nut features M4 x 0.7mm coarse threads with Class 6H thread fit per ISO standards, ensuring dimensional accuracy. Manufactured to JIS B 1181 specifications with a 7mm width and 3.2mm height. The zinc yellow-chromate plating provides RoHS and REACH compliance for environmental safety, while the Class 8 strength grade meets rigorous mechanical performance requirements for industrial fastening systems.