Wing Tek (Drilling) Screw enable drilling without first creating a pilot hole. These screws are usually used to join materials like sheet metal. It offers the highest strength compared to other metals and elements, but is the least corrosion resistant. Also known as Carbon Steel.
Flat Head Screws, also called Countersunk Screws, are conical with a flat outer face and a tapering inner face. One advantage of this type of screw is that almost no head protrudes to the surface, so the head can be sunk into the material.So these screws are usually made of stainless steel or zinc coating.
Head Type: Countersunk Head
Point Type: Self Drilling
Color: Plain,Zinc Plated
Thread Type: Coarse / Fine / Wing Teks
Screw Length: 9.5mm~127mm
Diameter:m3.5 / m3.9 / m4.2 / m4.8 / m5.5 / m6.3
Finish:Black / Grey Phosphated,Yellow / Blue White Zinc Packing:Small box or bulk in carton with or without pallet