Welcome to Dongguan Yuhuang Electronic Technology Co., Ltd., a leading manufacturer and supplier of high-quality self-tapping screws. Our 4.2x13 self-tapping screws are designed to provide secure and reliable fastening in a wide range of applications. Made from premium materials, these screws offer excellent corrosion resistance and durability, ensuring they can withstand the toughest environments. Our factory in China utilizes state-of-the-art manufacturing processes and strict quality control measures to ensure that every self-tapping screw meets the highest industry standards. We are committed to providing our customers with superior products that offer exceptional performance and longevity. Whether you are in the automotive, electronics, construction, or any other industry that requires reliable fastening solutions, our self-tapping screws are the perfect choice. With a focus on innovation and customer satisfaction, Dongguan Yuhuang Electronic Technology Co., Ltd. is your trusted partner for all your self-tapping screw needs. Contact us today to learn more about our products and how we can meet your specific requirements.