S-90519A826 M30 ASTM A108, DIN 439B, ISO 4035 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
- Enhanced corrosion resistance with black-oxide steel coating for extended service life in demanding environments
- Secure left-hand thread engagement prevents loosening in counter-rotating applications and specialized machinery
- Optimized space-saving design with thin profile (15mm height) for applications with limited clearance
- Precise Class 6H thread fit ensures reliable mating with mating components and reduces cross-threading risks
- Robust Class 04 strength rating provides dependable load distribution and vibration resistance
- Standard-compliant manufacturing meeting ASTM A108, DIN 439B, and ISO 4035 ensures interchangeability and quality
- Easy installation and removal with standard external hex drive compatible with common wrench tools
Professional Applications & Engineering Value
This M30 left-hand thread hex nut delivers critical performance in specialized industrial applications where reverse rotation is present. The black-oxide steel construction provides superior corrosion protection, making it ideal for automotive, machinery, and outdoor equipment assemblies exposed to moisture and chemicals. Its thin profile design solves space-constrained installation challenges while maintaining full Class 04 strength capabilities. The coarse 3.5 mm pitch thread ensures rapid assembly and disassembly, while the Class 6H thread fit guarantees precise engagement with mating components. Engineered to meet international standards including ASTM A108, DIN 439B, and ISO 4035, this fastener provides reliable performance in high-vibration environments and specialized mechanical systems requiring left-hand threading.
Specification Summary & Compliance
This metric hex nut features M30 thread size with 3.5 mm coarse pitch and Class 6H thread fit tolerance. Dimensions include 46mm width and 15mm thin profile height. Manufactured to ASTM A108, DIN 439B, and ISO 4035 specifications with Class 04 strength rating. Fully compliant with RoHS 3 (2015/863/EU) with exemption 6(a) and REACH (EC 1907/2006) regulations regarding substance restrictions.
