S-93760A121 M30 DIN 935 Locknuts

Key Features & Benefits at a Glance

• Maximum vibration resistance through secure cotter pin locking mechanism that prevents loosening under extreme conditions
• Heavy-duty performance with Class 8 strength rating for demanding industrial applications
• Precision thread engagement with Class 6H thread fit ensuring reliable mating with compatible bolts
• Quick installation and removal using standard external hex drive for efficient maintenance
• Durable steel construction providing excellent mechanical strength and long service life
• Industry-standard compliance with DIN 935 specifications for guaranteed interoperability
• Environmental responsibility with RoHS 3 compliance for safe use in regulated applications

Professional Applications & Engineering Value

This heavy-duty M30 locknut with cotter pin locking system addresses critical vibration-induced failure points in industrial machinery, construction equipment, and transportation systems. The Class 8 steel construction provides exceptional load-bearing capacity, while the coarse thread design (3.5mm pitch) enables rapid assembly in high-volume production environments. The integrated cotter pin slot (accommodating 6.3mm pins) creates a positive mechanical lock that maintains clamping force even under severe vibration, making it ideal for industrial applications where safety and reliability are paramount. The external hex drive allows for standard tool compatibility, streamlining maintenance procedures across diverse operational settings.

Specification Summary & Compliance

This metric locknut features M30x3.5mm coarse thread with Class 6H thread fit precision, ensuring optimal engagement with mating components. Manufactured to DIN 935 specifications with dimensions of 46mm width and 33mm height, it accommodates 6.3mm cotter pins with minimum slot dimensions of 9mm depth and 7mm width. The product is RoHS 3 (2015/863/EU) compliant and meets all relevant industry standards for heavy-duty fastening applications.