S-98689A261 49 mm ID x 82.5 mm OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Precise dimensional fit with 49mm ID and 82.5mm OD ensuring reliable alignment and load distribution for M48 screws
• Consistent thickness tolerance (2.7-3.3mm) providing uniform pressure distribution and preventing joint loosening
• Full regulatory compliance with RoHS 3 and REACH standards, meeting stringent environmental and safety requirements
• Excellent durability in metric sizing for long-term performance in mechanical assemblies and structural applications
• Versatile industrial application across machinery, construction, and manufacturing sectors requiring corrosion-resistant fastening solutions

Professional Applications & Engineering Value

This M48 flat washer delivers critical engineering value through its 18-8 stainless steel composition and precision metric dimensions. The corrosion-resistant properties address common industrial challenges where moisture, chemicals, or outdoor exposure would degrade ordinary washers. With its 49mm inner diameter specifically engineered for M48 screw size applications, this washer provides optimal load distribution across mating surfaces, preventing surface damage and maintaining bolt tension in heavy-duty assemblies. The 82.5mm outer diameter offers extended bearing surface area, making it particularly valuable in structural connections, machinery mounting, and equipment manufacturing where vibration resistance and long-term reliability are paramount. The controlled thickness range ensures consistent performance across production runs, reducing installation variables in automated or high-volume assembly operations.

Specification Summary & Compliance

This metric flat washer features precision dimensions with 49mm inner diameter, 82.5mm outer diameter, and 2.7-3.3mm thickness range, engineered for M48 screw applications. Manufactured from 18-8 stainless steel for consistent performance, the product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use across industrial sectors while meeting international regulatory requirements for hazardous substance restrictions.