Hillman 880633 Zinc-Plated SAE Hex Castle Nuts, 1/2 in.-20 TPI SKU: HIL-880633-VL-TC This sale transaction is for Hillman 880633 Zinc-Plated SAE Hex Castle Nuts, 1/2 in.-20 TPI. Included exactly what is pictured. Product Details Fine Castle Nuts are locking devices. These nuts have slots cut into one end and are often used in conjunction with a cotter pin. The slots accommodate the cotter pin when used with a drilled shank fastener. Castle and slotted nut styles are interchangeable dependent on the desired design. SECURES EASILY: Can be secured with a cotter pin through a drilled hole in the fastener (pin not included) GREAT FOR AUTOMOTIVE APPLICATIONS: Ideal for attaching wheels to spindles USE IN LOW-TORQUE ASSEMBLIES: To preserve integrity, use castle nuts in instances of low torque CORROSION-RESISTANT FINISH: Zinc plating offers moderate protection against rust and corrosion TERMS OF SALE: If, after receiving this item you discover that it was not the one you wanted, simply return it for a full refund within 30 days. You will have to pay for the return shipping charges. Refund is void if you have installed, used or damaged the item in any way. Item must be returned with its original box, packing materials and instructions. Payment via PayPal must be received within 3 days of transaction and prior to shipping. SHIPPING: Shipping charge will be based upon location. Please use the shipping calculator or request a shipping quote. International buyers: Customs fees, duties, taxes, tariffs other fees are your responsibility. Arrival time will depend on your location. If you have any questions, feel free to ask. Thank you for visiting!