S-94450A581 M30 DIN 439B 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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extended service life
- Reliable left-hand thread engagement prevents loosening in counter-rotational applications, enhancing operational safety
- Precision Class 6H thread fit ensures consistent mating with bolts, reducing assembly errors and improving joint integrity
- Fine 2mm pitch design offers better vibration resistance and finer adjustment capabilities compared to coarse threads
- Space-saving thin profile (15mm height) allows installation in confined areas without compromising strength
- Standardized DIN 439B compliance guarantees dimensional accuracy and interchangeability with metric components
- Environmental regulation adherence through RoHS 3 and REACH compliance, meeting global industrial sustainability requirements
Professional Applications & Engineering Value
This M30x2mm left-hand thread hex nut addresses critical challenges in rotating machinery and specialized equipment where reverse-direction fastening is essential. The 18-8 stainless steel composition provides exceptional resistance to rust and chemical degradation, making it suitable for marine, food processing, and chemical exposure applications. Its thin hex profile and external hex drive enable efficient wrench access in space-constrained assemblies while maintaining full DIN 439B dimensional compliance. The fine metric thread with Class 6H tolerance ensures vibration-resistant connections in high-stress environments, preventing unexpected disassembly in conveyor systems, automotive components, and industrial machinery requiring left-hand threading for safety-critical functions.
Specification Summary & Compliance
Manufactured to DIN 439B standards with Class 6H thread fit and metric M30x2mm left-hand fine threading. Dimensions include 46mm width and 15mm thin profile height. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability for industrial procurement.
