Building Roofing Tek Screws With Rubber Washers Tornillos Hexagonal Hex Head Self Drilling Screws

Self drilling screws are screws that have a drill bit tip at the end of the screw. They are designed to drill their own hole as they are screwed into a material, eliminating the need for pre-drilling. This makes them an ideal choice for fastening materials to metal, wood, or other hard surfaces. Self drilling screws are commonly used in construction, roofing, and woodworking applications. They are available in a variety of sizes, materials, and finishes to suit different applications. Some common types of self drilling screws include hex head, pan head, and flat head screws.

We have Magnetic Powder Detector, Material Testing Machine, Metallographic Microscope, such testing instruments, guarantee product high quality and beautiful appearance.The quality control is strictly performed from buying raw materials in warehouse to different machining procession and to final packing.

First, we have our own High-precision Digital Machining center for mould making in special Mould Workshop, excellent mould make product beautiful appearance and its size accurately.

The second, we adopt blasting procession, removing Oxidation surface, make the surface to be bright and clean and uniform and beautiful.