S-99164A104 M12 DIN 1587 Cap Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
• Exceptional load-bearing capacity with Class 10 strength grade, ensuring reliable performance under high-stress applications
• Secure fastening engagement with Class 6H thread fit, providing precise tolerance and vibration resistance
• Quick installation and removal with standard external hex drive and 19mm width, compatible with common wrench tools
• Enhanced thread protection with 22mm cap profile, safeguarding threads from damage and contamination
• Regulatory compliance assurance with RoHS 3 certification, meeting environmental standards for industrial use
• Reliable coarse thread design with M12x1.75mm metric threading, reducing cross-threading risks in assembly operations

Professional Applications & Engineering Value

This zinc-plated steel cap nut delivers critical engineering advantages for industrial fastening systems requiring both corrosion resistance and high tensile strength. The M12 coarse thread (1.75mm pitch) combined with Class 6H thread fit ensures rapid assembly while maintaining precise tolerance control, significantly reducing installation time in production environments. The external hex drive design provides superior torque transmission for tight sealing applications, while the cap nut profile offers complete thread protection in exposed machinery components. Manufactured to DIN 1587 specifications, these metric cap nuts deliver consistent performance in automotive assembly, heavy equipment manufacturing, and structural applications where vibration resistance and environmental durability are paramount.

Specification Summary & Compliance

This M12 x 1.75mm cap nut features Class 6H thread fit with coarse thread spacing, manufactured to DIN 1587 standards for dimensional accuracy. The fastener meets Class 10 strength grade requirements with dimensions of 19mm width and 22mm height, providing 12.2mm thread depth for secure engagement. Compliance includes RoHS 3 (2015/863/EU) certification with exemption 6(a)-I for lead as an alloying element in steel, ensuring environmental regulatory adherence for industrial distribution and use.