Introducing the Csk Head SDS screw from Double Blue Fastener Manufacturing Co., Ltd., a leading manufacturer and supplier based in China. This highly durable and efficient screw is designed with a countersunk head and SDS shank for easy installation into masonry and concrete surfaces. Our factory makes use of high-quality materials and advanced manufacturing techniques to produce these screws that offer sturdy holding power and efficient construction results. the Csk Head SDS screw is a reliable and cost-effective solution for a wide range of construction and building applications, including decking, roofing, and flooring. At Double Blue Fastener Manufacturing Co., Ltd., we take pride in delivering top-quality fasteners, and our Csk Head SDS screw is no exception. We are committed to providing our clients with the most exceptional services, reliable solutions, and competitive pricing. Contact us today to learn more about our SDS screws or any of our fastener products.