Ningbo Zhongli Bolts Manufacturing Co., Ltd. is a trusted supplier of high-quality hex (heavy) cap screws that meet the China Ansi B18.2.1-1981 standard. Our cap screws are designed to provide secure and reliable fastening for a wide range of industrial applications, Our hex (heavy) cap screws are available in various sizes and materials to meet the specific needs of our customers. Whether you require cap screws for machinery, construction, or other industrial uses, we can provide the right solution for you. With our strict quality control processes and advanced manufacturing techniques, you can trust that our cap screws meet the highest standards for performance and durability, At Ningbo Zhongli Bolts Manufacturing Co., Ltd., we are committed to providing excellent customer service and delivering products that exceed expectations. As a leading supplier in China, we take pride in offering competitive pricing and timely delivery for all of our products. Contact us today to learn more about our hex (heavy) cap screws and how they can benefit your business
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