Hard-to-Find Fastener 014973271862 Grade 8 Hex Flange Lock Nuts, 5/8-11, Piece-25

Course Threaded Flange Lock Nuts: Designed with a course thread and wide flange for a more secure attachment without an added washer | Secure Flange Lock Nut: The built-in flange of these steel lock nuts distributes loads evenly for better fastening and safer overall construction | Secure Locking Design: Built-in locking feature prevents loosening caused by vibration, shock, or heavy loads | Versatile Use: Ideal for automotive, construction, and machinery projects requiring maximum fastening security. The rust-resistant zinc finish protects against corrosion for long-lasting performance indoors and outdoors. | Premium Strength: Manufactured from Grade 8 hardened steel for superior durability and high-torque applications