S-97289A133 M27 DIN 439B; ISO 4035 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Space-saving design with a thin profile (13.5mm height) for applications with limited clearance
• Reliable, fine-thread engagement with a 2mm pitch and Class 6H fit for secure, vibration-resistant assemblies
• Guaranteed dimensional accuracy and interchangeability, manufactured to DIN 439B and ISO 4035 standards
• Easy installation and removal with a standard 41mm external hex drive for common tooling
• Enhanced durability and longevity for demanding industrial applications, reducing maintenance frequency
• Safe for regulated industries with full compliance to RoHS 3 and REACH environmental directives

Professional Applications & Engineering Value

This M27x2mm thin hex nut is engineered to solve critical challenges in industrial assembly. Its 316 stainless steel material provides exceptional resistance to chemicals, saltwater, and other corrosive agents, making it ideal for marine, chemical processing, and food industry applications where corrosion resistance is paramount. The fine metric thread (2mm pitch) offers a higher number of threads per unit length compared to coarse threads, resulting in superior resistance to loosening under vibration and dynamic loads. The thin hex nut profile is a key design feature for weight reduction and use in confined spaces without compromising strength. Manufactured to DIN 439B and ISO 4035 standards, this external hex drive nut ensures reliable performance and easy integration into existing metric fastener systems, providing long-term value and reliability.

Specification Summary & Compliance

This nut features a Metric M27 thread with a 2mm fine pitch and a Class 6H thread fit, ensuring high precision and a secure fit with mating bolts. Its dimensions are precisely controlled with a width of 41mm and a height of 13.5mm as per the thin hex nut profile defined in DIN 439B and ISO 4035 standards. The product is manufactured in compliance with these specifications and is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental and safety regulations for industrial components.