S-94205A315 M18 DIN 985 Locknuts

Key Features & Benefits at a Glance

• Exceptional vibration resistance with a durable nylon insert that maintains locking integrity under dynamic loads and movement.
• Superior corrosion resistance provided by 316 stainless steel, ideal for harsh or corrosive environments like marine or chemical processing.
• Reliable high-temperature performance with the nylon insert rated for temperatures up to 220°F (approx. 104°C), ensuring consistent locking in thermal cycling applications.
• Secure and precise fit due to the Class 6H thread fit and coarse Metric M18 x 2.5mm thread, enabling easy assembly and reduced risk of cross-threading.
• Industry-standard compliance with DIN 985 specifications and RoHS 3, guaranteeing quality, safety, and environmental responsibility for global supply chains.
• Easy installation and removal using standard external hex drive tools, saving time and labor in maintenance and assembly operations.
• Durable and reusable design with a standard hex nut profile, offering long service life and cost-efficiency in repetitive disassembly scenarios.

Professional Applications & Engineering Value

This M18 nylon insert lock nut in 316 stainless steel is engineered to solve critical challenges in industrial settings, such as fastener loosening due to vibration, thermal expansion, or corrosive exposure. The nylon insert creates consistent friction and elastic recovery on the metric coarse thread, providing a reliable locking mechanism that outperforms plain nuts in machinery, automotive, and structural applications. Its external hex drive allows for straightforward installation with common tools, reducing assembly time and improving workflow efficiency. By combining high-temperature resistance up to 220°F with excellent corrosion resistance, this nut ensures long-term reliability in demanding environments, from outdoor equipment to food processing plants, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This lock nut features precise Metric M18 x 2.5mm coarse threads with a Class 6H thread fit for accurate engagement and durability. It conforms to DIN 985 manufacturing standards, ensuring dimensional consistency and performance reliability. The product is RoHS 3 (2015/863/EU) Compliant, adhering to environmental regulations for hazardous substance restrictions. Dimensions include a width of 27 mm and height of 18.5 mm, providing a standard profile for compatibility with industrial fastening systems.