Designed for precision in pipe welding, these large threaded flange pins from Flange Wizard are essential tools for any professional working with flanges. Manufactured in the United States, these pins are specifically engineered to accommodate flanges with holes up to 1-15/16” in diameter, ensuring a secure and accurate fit. Ideal for layout applications, these threaded flange pins enhance efficiency and reliability in your welding projects, making them a must-have accessory for any serious tradesperson.