Enhance your welding projects with these high-quality Curve Notched Nuts, crafted from durable iron material to ensure exceptional stability and long-lasting performance. Designed with precision, these nuts feature a thread pitch of 18mm x 1.5, matching the standard oxygen sensor thread pitch used by 99% of oxygen sensors on the market, making them an ideal choice for various automotive and industrial applications. Key Features: · Premium Iron Material: Provides robust stability and excellent durability for reliable, long-term use. · Standard Thread Pitch: 18mm x 1.5 thread pitch ensures compatibility with the majority of oxygen sensors, facilitating easy installation and secure fitting. · Precision FAB-PROS Welded Plug: Equipped with a high-quality welded plug featuring a round tube notch (also known as "coped") at the bottom, designed for accurate and efficient welding of round tubes. · Stable Performance: Engineered to maintain consistent performance under demanding conditions, ensuring dependable operation over time. · Versatile Application: Perfect for precision welding tasks involving round tubes, making it suitable for automotive repairs, sensor replacements, and other industrial welding projects. Specifications: · Condition: Brand New · Material: Iron · Thread Pitch: 18mm x 1.5 · Color: As shown in the picture Package Includes: · 2 x Curve Notched Nut These Curve Notched Nuts offer a reliable and precise solution for welding and sensor installation needs, combining high-quality materials with expert craftsmanship to support your professional and DIY projects with stability and accuracy.