S-91938A135 M16 DIN 439B, ISO 4035 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
• Space-saving thin profile (8mm height) allows for use in compact assemblies where standard nuts won't fit.
• Precise Class 6H thread fit guarantees secure, vibration-resistant connections and prevents loosening.
• Dual-standard compliance with DIN 439B and ISO 4035 ensures global interchangeability and quality assurance.
• Fine thread pitch (1.5mm) provides enhanced adjustment precision and superior clamping force distribution.
• External hex drive design enables quick installation and removal with standard tools, boosting assembly efficiency.
• Environmental compliance with RoHS 3 and REACH regulations makes it suitable for regulated industries worldwide.

Professional Applications & Engineering Value

This M16 thin hex nut delivers critical performance advantages in precision engineering applications. The 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, making it ideal for food processing equipment, marine components, and outdoor machinery where moisture is present. The fine metric thread (1.5mm pitch) offers superior vibration resistance compared to coarse threads, maintaining clamp load in dynamic environments. With its reduced height profile, this fastener solves space constraint challenges in compact assemblies, electronic enclosures, and machinery where every millimeter counts. The combination of DIN 439B and ISO 4035 certification ensures consistent dimensional accuracy and reliable performance across global supply chains.

Specification Summary & Compliance

This thin hex nut features M16 x 1.5mm fine metric threads with Class 6H thread fit tolerance according to ISO standards. Dimensions include 24mm width across flats and 8mm height, conforming to DIN 439B and ISO 4035 specifications for thin hex nuts. The component is manufactured from 18-8 stainless steel with right-hand thread direction and external hex drive. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material transparency.