Introducing the latest innovation from HEBEI YAOSHI METAL PRODUCTS CO., LTD - our line of self-sealing nuts. As a wholesale manufacturer of metal products, we are proud to offer this new addition to our inventory. Our self-sealing nuts are designed to provide a secure, leak-proof seal without the need for additional washer or thread sealant. These nuts are perfect for a wide range of applications, from plumbing fixtures to automotive engines. The nuts are made from high-quality materials and have been rigorously tested to ensure their durability and reliability. As a factory-direct supplier, we offer competitive prices and a comprehensive pricelist for bulk orders. At HEBEI YAOSHI METAL PRODUCTS CO., LTD, we are committed to providing our customers with the highest quality products and exceptional customer service. If you're looking for a reliable, hassle-free solution for your sealing needs, look no further than our self-sealing nuts. Contact us today to learn more about this exciting new product!