S-90368A325 M8 DIN 466 Thumb Nuts

Key Features & Benefits at a Glance

• Tool-free assembly and disassembly with a knurled round head for superior hand-tightening grip, reducing installation time and eliminating the need for wrenches.
• Exceptional corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability and performance in harsh or humid industrial environments.
• Secure and precise thread engagement with a Class 6H thread fit and M8 coarse thread (1.25 mm pitch), offering robust fastening and vibration resistance.
• Standardized compatibility and interchangeability by conforming to DIN 466 specifications, guaranteeing consistent quality and fit in metric-based assemblies.
• Optimized ergonomic design featuring a 30 mm head diameter and 18 mm overall height for comfortable handling and efficient manual operation.
• Full environmental and safety compliance with REACH and RoHS 3 directives, making it suitable for regulated industries and sustainable procurement.
• Versatile right-hand threading and fully threaded design for quick and straightforward installation on a wide range of M8 male fasteners.

Professional Applications & Engineering Value

This M8 thumb nut is engineered to solve critical challenges in maintenance, prototyping, and equipment where frequent adjustments are necessary. The 18-8 stainless steel construction provides inherent resistance to rust and oxidation, making it ideal for outdoor machinery, food processing equipment, and marine applications. The knurled grip on the round head ensures a non-slip surface, enabling operators to apply sufficient torque by hand even with gloves on, which enhances workplace safety and operational speed. Its compliance with the DIN 466 standard ensures dimensional accuracy and reliable performance in metric coarse thread assemblies, reducing the risk of cross-threading and thread stripping. This combination of material durability and user-centric design minimizes downtime and maintenance costs in industrial settings.

Specification Summary & Compliance

This thumb nut features an M8 x 1.25 mm metric coarse thread with a Class 6H thread fit for precise tolerance, and is fully threaded with a right-hand direction. Key dimensions include a 16 mm collar diameter, 12 mm collar height, 30 mm head diameter, and 18 mm overall height. It is manufactured in accordance with DIN 466 specifications. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental directives.