This Internal Tooth Lockwasher is a vital component for securing fasteners in place with enhanced grip and stability. Crafted from durable steel and coated in Cadmium Yellow for corrosion resistance, it ensures long-lasting performance in various applications. With an outside diameter of 1.24 inches and a thickness of .051 inches, it offers reliable reinforcement. The precise inside diameter of .782 inches and hole size of 3/4 inch guarantee a perfect fit, while its compliance with RoHS regulations underscores its environmental responsibility. Trust this lockwasher to provide essential support in your assembly projects.