S-90374A121 M16 DIN 6923, ISO 4161 Flange Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the integrated flange design that eliminates the need for separate washers and maintains clamping force under dynamic loads
• Enhanced corrosion protection with zinc-plated steel construction that provides durable surface defense in demanding industrial environments
• High-strength performance with Class 8 rating ensuring reliable fastening in heavy-duty applications requiring exceptional load-bearing capacity
• Precision thread engagement with Class 6H fine thread fit (1.5mm pitch) that delivers secure, accurate mating with mating components
• Easy installation and removal using standard 24mm wrench size with external hex drive for efficient assembly and maintenance operations
• Wide compatibility with DIN 6923 and ISO 4161 standards ensuring interchangeability and reliable performance in global engineering applications
• Regulatory compliance assurance meeting RoHS 3 and REACH environmental standards for safe, sustainable industrial use

Professional Applications & Engineering Value

This heavy-duty Class 8 flange nut delivers exceptional engineering value through its zinc-plated steel construction and precision M16 fine thread with 1.5mm pitch. The integrated 34.5mm diameter flange distributes clamping force evenly across surfaces, preventing damage to soft materials and eliminating the need for separate washers - significantly reducing assembly time and component count. The Class 6H thread fit ensures precise engagement with mating bolts, maintaining joint integrity in high-vibration environments common in automotive, machinery, and structural applications. With its external hex drive and standardized dimensions, this DIN 6923 and ISO 4161 compliant fastener provides reliable performance in demanding conditions where vibration resistance and long-term durability are critical.

Specification Summary & Compliance

This M16 x 1.5mm flange nut features precise Class 6H thread fit with right-hand metric fine threading. Manufactured to DIN 6923 and ISO 4161 specifications with 34.5mm flange diameter, 7mm flange thickness, and 24mm hex width. The zinc-plated steel construction meets Class 8 strength rating requirements. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring regulatory adherence for industrial applications.