The CAT J350 Series Excavator Flat Washer (also known as lock washer or sleeved retainer) is a precision-engineered ground engaging tool (GET) component designed specifically for Caterpillar J350 series bucket tooth systems. As a critical fastening component, this flat washer works in conjunction with the J350 series retaining pin to securely lock bucket teeth onto adapters, preventing tooth loss during demanding excavation operations. This ensures reliable, safe operation and maximizes bucket productivity across construction, mining, quarrying, and demolition applications.

Manufactured from high-quality alloy steel through precision machining processes, this flat washer delivers exceptional durability and reliable performance in the most demanding working conditions. The washer features a sleeved retainer design that provides secure engagement with the J350 series pin system, ensuring positive locking and preventing loosening under heavy vibration and impact loads. Surface hardness reaches HRC 38-42, providing excellent wear resistance and long service life.

The J350 flat washer is designed to pair with the 9J2358 retaining pin for the J300/J350 tooth systems. This combination provides a secure, reliable locking mechanism that keeps bucket teeth firmly attached to adapters during the most aggressive digging conditions. Available with black or zinc coating finish for corrosion resistance.

With large stock available for immediate shipment, this flat washer is the dependable choice for operators seeking consistent, reliable performance from their Caterpillar J350 series bucket tooth systems. Whether used on excavators, backhoes, or loaders, this flat washer delivers the quality and durability you need to keep your equipment operating at peak efficiency.