S-97289A132 M20 DIN 439B; ISO 4035 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications.
• Space-saving and lightweight design with a thin profile (10mm height), perfect for assemblies with limited clearance without sacrificing strength.
• Reliable fine thread engagement with a 2mm pitch and Class 6H fit, ensuring vibration resistance and a secure, tight connection.
• Guaranteed dimensional accuracy and interchangeability, manufactured to DIN 439B and ISO 4035 standards for consistent performance.
• Easy installation and removal with a standard 30mm external hex drive, compatible with common wrenches for efficient maintenance.
• Compliance with stringent environmental regulations, including RoHS 3 and REACH, making it safe for use in regulated industries.
• Durable and long-lasting performance due to the high-quality material and precise thread form, reducing the need for frequent replacements.

Professional Applications & Engineering Value

This M20 thin hex nut is engineered to address critical challenges in industrial settings where corrosion resistance and space constraints are paramount. The use of 316 stainless steel provides exceptional protection against corrosive agents, making it a top choice for marine equipment, chemical processing plants, and food-grade machinery. Its thin profile allows for compact assemblies in tight spaces, such as in precision machinery, automotive components, and structural frameworks, without compromising on clamping force. The fine pitch metric thread (M20x2mm) and Class 6H thread fit ensure minimal backlash and enhanced vibration resistance, crucial for maintaining integrity in high-stress applications. With an external hex drive for straightforward installation, this nut streamlines assembly processes, reducing labor time and improving overall project efficiency in demanding engineering environments.

Specification Summary & Compliance

This thin hex nut features precise dimensions with a width of 30mm and height of 10mm, adhering to DIN 439B and ISO 4035 standards for consistent quality. The metric thread is specified as M20 with a 2mm fine pitch and Class 6H thread fit, ensuring accurate engagement and reliability. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for industrial use without hazardous substances.