S-90313A412 0.812" ID x 1.5" OD Oversized 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 0.812" ID and 1.5" OD, ensuring reliable seating and load distribution for 3/4" screws.
• Consistent thickness tolerance (0.060-0.090") for uniform pressure distribution and reduced risk of fastener loosening.
• Environmental compliance with RoHS 3 and REACH standards, meeting strict regulatory requirements for safe usage.
• Durable material properties offering excellent strength and longevity without the need for additional coatings.
• Broad industrial compatibility in inch-system applications, simplifying procurement and inventory management.
• Cost-effective maintenance due to stainless steel's resistance to rust and degradation, lowering long-term replacement costs.

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer is engineered to address common industrial challenges such as corrosion-induced failure and inconsistent load bearing. Its inch-system dimensions (0.812" ID x 1.5" OD) provide a precise fit for 3/4" screws, minimizing play and enhancing joint integrity in machinery, construction, and marine applications. The stainless steel material ensures reliable performance in humid or chemically aggressive settings, reducing maintenance downtime. By incorporating flat washers with controlled thickness, engineers achieve uniform clamping force, preventing surface damage and extending the service life of assembled components. This makes it a trusted choice for industrial washers requiring durability and compliance with environmental standards like RoHS and REACH.

Specification Summary & Compliance

This flat washer adheres to standard inch-system dimensions with an inner diameter of 0.812", outer diameter of 1.5", and thickness range of 0.060-0.090", designed specifically for 3/4" screw sizes. It conforms to industry-accepted manufacturing practices for dimensional consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets current environmental and safety standards for hazardous substance restrictions.