S-97131A110 M4 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 the durable nylon insert that maintains locking force under dynamic loads
- High-strength Class 8 rating ensures reliable performance in demanding industrial applications
- Temperature-resistant nylon insert rated for continuous operation up to 220°F (104°C)
- Precision Class 6H thread fit provides consistent engagement and prevents cross-threading
- Corrosion-resistant zinc plating extends service life in harsh environments
- High-profile hex design enables better tool engagement and higher torque application
- Dual-standard compliance with both DIN 982 and ISO 7040 ensures international compatibility
Professional Applications & Engineering Value
This M4 nylon insert locknut delivers exceptional engineering value in applications where vibration-induced loosening poses significant reliability concerns. The zinc-plated steel construction combined with the nylon insert locking mechanism creates a permanent vibration-resistant solution that outperforms standard nuts in automotive assemblies, machinery, and electrical enclosures. The coarse metric thread with 0.7mm pitch ensures quick installation while maintaining Class 6H thread fit precision. Engineered to withstand temperatures up to 220°F, this locknut maintains its locking integrity in thermal cycling environments, making it ideal for motor mounts, conveyor systems, and industrial equipment where thermal expansion and constant vibration would compromise standard fasteners.
Specification Summary & Compliance
This M4 x 0.7mm locknut features Class 6H thread tolerance with right-hand coarse threading, manufactured to exacting DIN 982 and ISO 7040 standards. The Class 8 strength rating guarantees mechanical performance under high stress conditions. Compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) ensures environmental responsibility and workplace safety. External hex drive style with 7mm width and 5.3mm height provides optimal tool engagement for professional installation.
