S-94450A553 M12 DIN 439B Hex Nuts

Key Features & Benefits at a Glance

• Corrosion-resistant performance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Secure left-hand thread engagement prevents loosening in counter-rotational applications and machinery
• Space-saving thin profile (6mm height) allows installation in tight clearance areas without compromising strength
• Precise Class 6H thread fit ensures reliable mating with compatible bolts and reduces cross-threading risks
• DIN 439B compliance guarantees dimensional accuracy and interchangeability in European metric assemblies
• Robust external hex drive provides superior torque transmission during installation with standard tools
• Environmental regulation compliance with RoHS 3 and REACH standards for safe global sourcing

Professional Applications & Engineering Value

This M12 left-hand thread hex nut delivers critical reverse-threading functionality for rotating machinery, conveyor systems, and equipment where standard right-hand threads would self-loosen. Engineered from 18-8 stainless steel, it resists oxidation and chemical degradation in manufacturing, marine, and food processing applications. The thin profile (6mm height) solves space constraints in compact assemblies while maintaining full Class 6H thread engagement. Its coarse 1.75mm pitch enables rapid installation and superior vibration resistance. Compliant with DIN 439B specifications, this nut ensures dimensional reliability across European mechanical systems requiring metric left-hand thread security.

Specification Summary & Compliance

This thin hex nut features M12 metric coarse threading with 1.75mm pitch and Class 6H thread fit per ISO standards. Manufactured to DIN 439B dimensional requirements with 19mm width and 6mm height. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions.