Welcome to Dongguan Yuhuang Electronic Technology Co., Ltd., your premier manufacturer, supplier, and factory of high-quality 4-40 machine screws. We are located in China and specialize in providing top-notch fastening solutions for a wide range of industries. Our 4-40 machine screws are meticulously crafted using the latest technology and the highest quality materials to ensure superior performance and durability. Whether you need these screws for electronics, machinery, automotive, or any other applications, rest assured that our products will meet and exceed your expectations. We take pride in our commitment to customer satisfaction and strive to consistently deliver reliable and cost-effective solutions. Our experienced team is dedicated to providing exceptional service, quick turnaround times, and competitive pricing. Choose Dongguan Yuhuang Electronic Technology Co., Ltd. as your trusted partner for all your 4-40 machine screw needs. Contact us today to learn more about our products and how we can fulfill your specific requirements.