Tsingri could provide a range of roofing screws for metal building structures with Australian AS3566 Standard coating, including self-drilling screws and self-tapping screws, for steel to steel and steel to timber applications, different materials could be customized for different applications.

Tsingri wood screws could provide you one-stop solution for timber construction and decking system applications, different steel and heat treatment process take into account the high ductility and high-strength mechanical properties of the products.

Tsingri could produce series of roof fasteners & plates for insulation and membrane roof fixing. #12, #14, #15 heat treated steel screws with CR-10 coating, could meet the requirement of FM4470.

Double-hardness concrete bolts, 10B21 steel, two-step heat treatment process, making the head low hardness and high toughness more durable, the thread and drill point high hardness for excellent drilling and tapping capabilities.

SS304 and SS316 have good anti-corrosion and anti-rust performance, SCM435 alloy steel has extraordinary high strength, the Bi-metal screws produced by precision welding has strong drilling ability and anti-corrosion performance that does not rust for decades.

Tsingri as a professional manufacture, we only produce self-tapping screws and self-drilling screws.