As a leading factory, we specialize in producing high-quality products, including Direct Sales Carbon Steel Hex Head Wood Lag Screws and Hex Head Self Tapping Screws DIN571. Our carbon steel lag screws are designed with a hex head, which provides improved torque stability and easy installation. The wood lag screws also have a penetrating tip that enables them to self-drill into wood easily. Our self-tapping screws are made with high-quality DIN571 material and feature a hex head for easy installation. We are committed to providing our customers with the best quality products at the best possible prices. Order from us today and experience the difference of working with a top-quality factory!