S-93935A310 M2.5 DIN 439B; ISO 4035 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Space-saving thin profile (1.6mm height) enables use in compact assemblies where standard nuts won't fit
• Reliable thread engagement with Class 6H thread fit ensures secure fastening and vibration resistance
• Quick installation with standard 5mm external hex drive compatible with common wrench tools
• Global compatibility through dual DIN 439B and ISO 4035 certification for international projects
• Enhanced durability with coarse thread pitch (0.45mm) providing stronger holding power in various materials
• Regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

This M2.5 thin hex nut delivers exceptional performance in precision engineering applications where space constraints and corrosion resistance are critical factors. The 316 stainless steel composition provides superior protection against chloride-induced stress corrosion cracking, making it ideal for marine, chemical processing, and food industry equipment. The thin hex nut profile solves clearance issues in compact electronic enclosures, instrumentation, and miniature mechanical assemblies while maintaining full metric thread functionality. With external hex drive compatibility, maintenance personnel can achieve proper torque values using standard tools, reducing installation time and ensuring consistent clamping force. The coarse thread pitch enhances resistance to vibration loosening in dynamic applications, from automotive components to industrial control systems.

Specification Summary & Compliance

This precision fastener features M2.5 metric threading with 0.45mm coarse pitch and Class 6H thread tolerance for consistent fit with mating components. Manufactured to DIN 439B and ISO 4035 standards, ensuring dimensional accuracy and interchangeability. The nut measures 5mm across flats with a reduced height of 1.6mm, maintaining the thin profile specification. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, including the latest SVHC requirements, confirming environmental responsibility and workplace safety standards.