Product Description: Enhance your automotive projects with our Oxygen Sensor Curve Notched Nut, designed for precision and durability. Superior Material Quality: Crafted from high-quality iron, this notched nut ensures exceptional stability and strength. Its robust construction guarantees reliable performance and long-term use, making it a dependable choice for various applications. Consistent Performance: Engineered for stability, this nut offers consistent and reliable performance throughout its lifespan. Its durable design ensures it can withstand the demands of automotive environments, providing peace of mind and efficiency. Universal Thread Pitch: Featuring a thread pitch of 18mm x 1.5, this nut is compatible with 99% of oxygen sensors on the market. Its universal fit makes it a versatile addition to your toolkit, simplifying the process of sensor installation and maintenance. Precision Welding Design: Equipped with a high-quality FAB-PROS welded plug, the nut includes a round tube notch at the bottom, also known as "coped." This design facilitates precise welding, allowing for seamless integration with round tubes and enhancing the overall quality of your work. Ideal for Automotive Use: Perfect for precision welding applications, this curve notched nut is an essential component for any automotive enthusiast or professional. Its design ensures optimal performance in projects requiring accuracy and durability. Upgrade your automotive toolkit with our Oxygen Sensor Curve Notched Nut and experience enhanced performance and reliability. Its superior construction, universal compatibility, and precision design make it an indispensable tool for achieving professional-grade results.