Tail of the drilling screws is diamond tail or tail shape, with its easy to use, easy to operate and fast market. Drilling screws can be used in a variety of base material drilled, splicing machinery to achieve rapid and strong adhesion, easy to loose, very easy to use, the safety factor is also very high. In construction, decoration can be made of various materials are linked closely together, have a smaller cost, and high reliability, is the most economical metal fasteners.
Drilling screws made of common materials into iron and stainless steel, up to dozens of varieties, there are four basic specifications, namely: φ φ φ φ 6.3x300mm 6.3x25mm-5.5x135mm 5.5x20mm-. Widely used in various fields, a variety of materials.