S-94450A118 M12 DIN 439, ISO 4035 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments
• Secure left-hand thread engagement prevents unintended loosening in counter-rotating or vibrating applications
• Space-saving thin profile design (6mm height) provides reliable fastening in confined spaces without compromising strength
• Precision extra fine 1.25mm thread pitch delivers superior vibration resistance and finer adjustment capabilities
• Guaranteed dimensional accuracy with Class 6H thread fit for consistent performance and easy assembly
• Full compliance with DIN 439 and ISO 4035 standards ensures international compatibility and quality assurance
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance for safe usage across regulated industries

Professional Applications & Engineering Value

This M12 left hand thin hex nut with extra fine 1.25mm thread pitch addresses critical engineering challenges in specialized machinery and precision equipment. The 18-8 stainless steel construction provides excellent corrosion resistance for demanding environments including marine, chemical processing, and food-grade applications. The left-hand thread direction is essential for counter-rotating mechanisms, preventing accidental disassembly in equipment with reverse rotation. The thin hex nut profile (6mm height) enables installation in space-constrained assemblies while maintaining full Class 6H thread fit accuracy. Manufactured to DIN 439 and ISO 4035 specifications, this nut delivers reliable performance in precision instrumentation, optical equipment, and high-vibration industrial systems where fine thread adjustment and secure locking are paramount.

Specification Summary & Compliance

This metric thin hex nut features M12 x 1.25mm extra fine left-hand threads with Class 6H thread fit tolerance per ISO standards. The external hex drive measures 19mm across flats with a 6mm low-profile height, conforming to DIN 439 and ISO 4035 dimensional requirements. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance adherence for global industrial applications.