S-90593A020 M39 DIN 934 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance with black-oxide steel coating, extending service life in harsh industrial environments.
- High clamping force reliability due to Class 8 strength grade, ensuring secure fastening under heavy loads.
- Easy installation and removal with standard external hex drive and 60mm width for standard tool compatibility.
- Precise thread engagement with Class 6H thread fit and coarse 4mm pitch, reducing cross-threading risks.
- Broad industrial compatibility through DIN 934 standard compliance and metric coarse thread (M39).
- Environmental and regulatory safety with full REACH and RoHS 3 compliance for global supply chain use.
- Durable structural integrity from 31mm height and robust steel material, resisting deformation under stress.
Professional Applications & Engineering Value
This M39 hex nut is engineered to address critical challenges in heavy machinery, construction, and infrastructure projects where vibration resistance and long-term reliability are paramount. The black-oxide steel surface treatment provides a protective layer against rust and chemical exposure, significantly reducing maintenance needs in outdoor or corrosive settings. With its metric coarse thread and Class 6H thread fit, it ensures quick assembly and consistent torque performance, minimizing downtime in production lines. The external hex drive design allows for high-torque application using common wrenches, making it ideal for structural steel connections, industrial equipment, and automotive assemblies that demand maximum clamping force and durability under dynamic loads.
Specification Summary & Compliance
This hex nut conforms to DIN 934 standards with M39 metric coarse thread (4mm pitch) and Class 6H thread fit for precise dimensional accuracy. It meets Class 8 strength grade requirements, ensuring high mechanical performance. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, guaranteeing environmental safety and suitability for regulated industrial markets.
