S-90326A225 M39 DIN 439B, ISO 4035 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced weight reduction and space efficiency with thin 19.5mm profile ideal for compact assemblies
• Superior thread engagement and vibration resistance through precision Class 6H fine thread fit
• Reliable performance in high-stress applications backed by Class 04 steel strength rating
• Guaranteed dimensional accuracy and interchangeability with full DIN 439B and ISO 4035 compliance
• Easy installation and maintenance using standard external hex drive tools
• Long-term environmental and workplace safety with full REACH and RoHS 3 compliance
• Optimized for metric system integration with right-hand M39x3mm fine threading

Professional Applications & Engineering Value

This M39 thin hex nut delivers critical engineering solutions where space constraints and weight optimization are paramount. The Class 04 steel construction provides dependable strength for heavy machinery, structural frameworks, and industrial equipment, while the 3mm fine pitch thread ensures superior resistance to loosening under dynamic loads and vibration. Manufactured to DIN 439B and ISO 4035 specifications, this metric hex nut guarantees precise dimensional consistency across global projects. The reduced height profile makes it particularly valuable in tight-clearance assemblies across automotive, construction, and manufacturing sectors, where maintaining connection integrity without compromising design space is essential.

Specification Summary & Compliance

This fastener features M39x3mm fine metric threading with Class 6H thread tolerance ensuring precise fit. Dimensions include 60mm width and 19.5mm height per DIN 439B and ISO 4035 standards. The nut carries Class 04 strength rating and full compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental directives, confirming its suitability for regulated industrial applications.