S-97131A140 M8 DIN 982, ISO 7040 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through durable nylon insert that maintains locking force in high-motion environments
- Heavy-duty performance with Class 8 strength rating for demanding industrial applications
- Corrosion protection from zinc-plated steel construction extending service life in harsh conditions
- High-temperature capability with nylon insert rated to 220°F (104°C) for thermal stability
- Precision threading with Class 6H thread fit ensuring reliable, consistent fastening engagement
- Standard compliance meeting DIN 982 and ISO 7040 specifications for international compatibility
- Easy installation with external hex drive design for straightforward tool access and torque application
Professional Applications & Engineering Value
This M8 nylon insert lock nut delivers critical vibration resistance where conventional fasteners fail. The zinc-plated steel construction provides essential corrosion protection for industrial machinery, automotive assemblies, and equipment exposed to environmental stressors. The nylon insert locking mechanism creates consistent friction against mating threads, preventing loosening under continuous vibration or thermal cycling. With its coarse 1.25mm pitch metric thread, this locknut ensures rapid installation while maintaining the precision of Class 6H thread fit. Engineered to withstand temperatures up to 220°F, this component solves critical fastening challenges in manufacturing plants, transportation systems, and heavy equipment where reliability cannot be compromised.
Specification Summary & Compliance
This M8 x 1.25mm locknut features precision Class 6H thread fit with coarse thread spacing, manufactured to DIN 982 and ISO 7040 standards. The component carries Class 8 strength rating and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for environmental safety. External hex drive design (13mm width) provides standard tool compatibility, while the 9.5mm height profile maintains compact installation dimensions.
