Bi-metal screw, an exceptional product of the advanced technique. The head and threads are made of stainless steel 304/316, providing perfect corrosion protection and ductility, The drill point is made of hardened carbon steel welded to the body. Read More

TSR Roofing Screws use REXIUBAO coating (Ruspert), which is a new type of metal surface treatment process, has the following advantages: 1: High corrosion resistance, because the coating adopts composite film, which has good corrosion resistance to the corrosion caused by damage.2: It has excellent Read More

A spiral point self-drilling screw is a type of fastener that drills its own hole and forms threads as it is driven into a material. What sets it apart from other self-drilling screws is its unique spiral point at the tip that helps to reduce the torque required to drive the screw and allows for fas Read More

Sandwich panels are used in various types of buildings, including: • Wall: Frequently used as exterior cladding or interior partition walls in industrial and commercial structures. In some refurbishment or fixing project, for example, sandwich panels were selected as they provided a quick solution for upgrading the facade while enhancing performance. • Roof: Light weight characteristic makes them perfect for roofing applications in large commercial facilities, delivering superior insulation properties while minimizing the structural burden. sandwich panels for a sports complex roof design where soundproofing qualities were equally important. Read More

Self-drilling screws are a multipurpose and efficient fastening solution for metal-to-metal applications. Unlike traditional screws, they avoid the need for pre-drilling pilot holes, saving time and effort. Whether you're working with sheet metal, steel framing, or other metal materials, self-drilli Read More

There are two most common types of corrosion for fasteners in walls and roofs of light buildings: atmospheric corrosion and chemical corrosion.Tsingri has always been a supplier of self tapping screw and self drilling screws for construction that implements natural environment testing.Laboratory Tes Read More