S-94178A115 M8 JIS B 1181 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion protection with zinc yellow-chromate plating for extended service life in harsh environments
• High-strength Class 8 rating ensures reliable performance under demanding mechanical loads
• Precision Class 6H thread fit provides secure, vibration-resistant connections with minimal risk of loosening
• JIS B 1181 compliance guarantees consistent quality and interchangeability in industrial applications
• Coarse M8 x 1.25mm thread enables quick assembly and disassembly while maintaining strong holding power
• Standard hex profile (12mm width) offers excellent tool engagement with common wrenches
• Compact 6.5mm height allows installation in space-constrained applications without compromising strength

Professional Applications & Engineering Value

This M8 hex nut delivers exceptional engineering value through its zinc yellow-chromate plated steel construction, providing superior corrosion resistance that extends component life in industrial environments exposed to moisture, chemicals, and atmospheric conditions. The Class 8 strength grade ensures reliable performance in high-stress applications including machinery assembly, structural frameworks, and automotive components where vibration resistance is critical. The coarse thread design with 1.25mm pitch facilitates rapid installation while maintaining secure fastening, reducing assembly time in production lines. Manufactured to JIS B 1181 standards, this metric hex nut offers guaranteed dimensional accuracy and compatibility with international fastener systems, making it ideal for OEM manufacturing, maintenance operations, and industrial equipment requiring right-hand thread configurations with external hex drive convenience.

Specification Summary & Compliance

This hex nut features precise M8 x 1.25mm coarse thread with Class 6H thread fit tolerance, ensuring optimal engagement with mating components. The fastener meets JIS B 1181 manufacturing specifications and maintains dimensional accuracy with 12mm width across flats and 6.5mm height. The zinc yellow-chromate plating provides RoHS and REACH compliance for environmental safety, while the Class 8 strength rating confirms mechanical performance standards for industrial applications requiring reliable, high-strength fastening solutions.