S-93849A111 25 mm ID x 40 mm OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional load distribution with a 40mm outer diameter, preventing surface damage and loosening under high stress.
• Reliable dimensional fit with a precise 25mm inner diameter, ensuring a secure and stable connection with M24 fasteners.
• Enhanced mechanical strength provided by Rockwell B83 hardness, offering excellent resistance to wear and deformation.
• Robust and durable performance with a 3.5-4.4mm thickness, capable of withstanding heavy-duty mechanical loads.
• Full regulatory compliance with RoHS 3 and REACH standards, guaranteeing safety and environmental responsibility for global supply chains.
• Seamless integration within metric systems, simplifying procurement and assembly for international engineering projects.

Professional Applications & Engineering Value

This M24 flat washer is engineered to solve critical challenges in demanding industrial applications. The 18-8 stainless steel material provides outstanding corrosion resistance, making it perfect for use in chemical processing, marine equipment, and food machinery where moisture and corrosive agents are prevalent. Its robust 3.5-4.4mm thickness and Rockwell B83 hardness ensure it maintains integrity under high bolt preloads and vibrational stresses, preventing joint failure in heavy machinery, structural steelwork, and automotive assemblies. The precise metric dimensions (25mm ID, 40mm OD) guarantee a perfect fit with M24 screws, eliminating misalignment and distributing clamp load effectively to protect sensitive surfaces. This washer delivers long-term reliability, reducing maintenance cycles and total cost of ownership for professional engineers.

Specification Summary & Compliance

This flat washer conforms to standard metric system dimensions with an Inner Diameter of 25mm, Outer Diameter of 40mm, and a Thickness range of 3.5-4.4mm, designed specifically for M24 screw size. The manufacturing utilizes 18-8 Stainless Steel with a material hardness of Rockwell B83. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and meets the latest environmental and safety standards for industrial components.