S-90313A244 0.125" ID x 1" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 Stainless Steel construction, ideal for harsh environments and extending service life.
• Excellent load distribution with a 1" outer diameter, protecting surfaces and preventing fastener loosening.
• Precise fit for No. 4 screws ensured by the 0.125" inner diameter, providing secure and reliable fastening.
• Versatile thickness range (0.050" - 0.080") allows for fine-tuning compression and gap filling in assemblies.
• Guaranteed material integrity with compliance to RoHS 3 and REACH environmental regulations for safe industrial use.
• Broad industrial compatibility as an inch-system component, suitable for a wide range of machinery and equipment.
• Durable and non-magnetic properties of 18-8 Stainless Steel ensure long-term performance without interference.

Professional Applications & Engineering Value

These 18-8 Stainless Steel flat washers are engineered to solve common industrial challenges such as surface damage, corrosion-induced failure, and assembly instability. The inch-system dimensions, including a precise 0.125" ID for No. 4 screw compatibility and a generous 1" OD, ensure even pressure distribution, which is critical in high-vibration environments like automotive, machinery, and outdoor equipment. The material's inherent corrosion resistance makes these washers ideal for applications exposed to moisture, chemicals, or extreme temperatures, reducing maintenance needs and preventing costly downtime. Their flat washer design provides a reliable, cost-effective solution for enhancing joint integrity and extending the lifespan of fastened components in demanding industrial applications.

Specification Summary & Compliance

This flat washer is manufactured to standard inch dimensions with an Inner Diameter of 0.125", Outer Diameter of 1", and a Thickness range of 0.050" to 0.080", designed specifically for use with No. 4 screw sizes. 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 safe for various industrial and commercial applications. Made from 18-8 Stainless Steel, it offers consistent performance without a rated hardness, focusing on corrosion resistance and general-purpose fastening reliability.