Enhance the security of your fastening applications with our Internal Tooth Lockwasher. Crafted from durable 410 Stainless Steel, this essential component ensures reliable grip and prevents loosening in high-stress environments. With an outside diameter of .501 inches and a thickness of .025 inches, it is designed for precise and effective use. The internal diameter of .262 inches and hole size of 1/4 inch accommodate various bolts and screws, offering versatile compatibility. Compliant with RoHS standards, this lockwasher is not only functional but also environmentally-friendly. Upgrade your assembly processes with this quality assurance solution.