Ningbo Zhongli Bolts Manufacturing Co., Ltd. is a leading factory in China specializing in the production of ANSI B18.2.1-1981 hex (heavy) cap screws. Our high-quality cap screws are designed to provide strong and secure fastening solutions for a wide range of applications, including machinery, construction, and automotive industries, Our cap screws are manufactured to the ANSI B18.2.1-1981 standard, ensuring precise dimensions, excellent strength, and durability. We use top-grade materials and advanced production technology to ensure the reliability and performance of our products, At Ningbo Zhongli Bolts Manufacturing Co., Ltd., we are committed to providing our customers with the highest quality products and superior customer service. Our factory is equipped with modern facilities and a dedicated team of professionals who work tirelessly to meet our clients' needs and exceed their expectations, Whether you require standard hex cap screws or customized fastening solutions, you can rely on Ningbo Zhongli Bolts Manufacturing Co., Ltd. for exceptional products that deliver exceptional performance and reliability. Contact us today to learn more about our ANSI B18.2.1-1981 hex (heavy) cap screws and how we can meet your specific requirements
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