S-98180A230 0.95" ID x 1.762" OD SAE Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with a 1.762" outer diameter to prevent surface damage and embedment in softer materials.
• Superior corrosion resistance provided by the zinc-flake coating, ensuring long-term reliability in harsh industrial environments.
• High-strength performance backed by a Grade 8 classification and Rockwell C38 hardness for demanding applications.
• Precise fit and secure fastening with a 0.95" inner diameter designed specifically for 7/8" screws in inch-system assemblies.
• Enhanced durability and wear resistance from the robust steel construction, maintaining integrity under high stress and vibration.
• Guaranteed material safety with full compliance to RoHS 3 and REACH regulations, ensuring suitability for global markets.
• Reliable dimensional consistency with a thickness range of 0.136-0.177" for uniform performance in repetitive use.

Professional Applications & Engineering Value

This Grade 8 SAE flat washer is engineered to solve critical challenges in heavy machinery, construction, and automotive assemblies where vibration loosening and joint failure are common. The zinc-flake coated steel material provides a robust barrier against rust and chemical exposure, significantly extending service life in outdoor or corrosive settings. Its SAE designation and inch-system sizing ensure seamless compatibility with standard 7/8" screws, offering a precise fit that distributes clamping force evenly to prevent bolt fatigue and material crushing. By combining high Rockwell C38 hardness with a flat design, this washer maintains clamp load under extreme pressure, making it ideal for structural frames, engine components, and industrial equipment that demand high-strength and corrosion-resistant fastening solutions.

Specification Summary & Compliance

This washer conforms to SAE standards for dimensional accuracy, with an inner diameter of 0.95", outer diameter of 1.762", and thickness ranging from 0.136" to 0.177". It is manufactured from zinc-flake coated steel and meets Grade 8 strength requirements, ensuring reliable performance in high-stress applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for industrial use.