Product categories of Self Tapping Screws, we are specialized manufacturers from China, Self Tapping Screws, Pan Head Self Tapping Screw suppliers/factory, wholesale high-quality products of Stainless Self Tapping Screws R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
China Self Tapping Screws Suppliers
Self-tapping screws for non-metallic or softer metal, do not have the bottom hole and tapping; self-tapping screws are pointed, so as to "self-attack"; ordinary screws are flat head, the same thickness. Self-tapping screw is said: drilling holes for the hole without tapping, with the screws and the general difference, the head for the sharp, teeth from the relatively large, and no trace of wire like a bit, you can not directly into the tapping , Metal and plastic usually use this method. It can be in the consolidation of the material, by its own thread, will be solidified "attack - drill, squeeze, pressure" out of the corresponding thread, so close with each other.