Csk head self-drilling screws from LITUO Fasteners are highly durable and corrosion-resistant, which allows it to be used in extreme temperatures and undersea applications as well. Since these screws are self-drilling, they can be used without drilling the pilot hole.…

Chipboard screws, also particle board screws, are widely used for timber works, its slim shank and coarse thread enable the chipboard screws to dig deeper and more tightly to its applications: The photo has shown both the timber works and…