Generally, it refers to pointed, coarse teeth, and hard wood screws, as well as aluminum alloy and plastic.A special kind of self-tapping screw used for threading metal holes is called a tap.
Self-tapping screws are used for non-metal or softer metals without drilling and tapping.Self-tapping screws are pointed, so that they can "self-tapping".
Uses: Self-tapping screws are mainly used for the connection and fixation of some thinner plates, such as the connection between color steel plates and color steel plates, the connection between color steel plates and purlins, wall beams, etc.
Material: carbon steel and stainless steel, stainless steel can be divided into various materials
Model: M4.2, M4.8, M5.5, M6.3. The specific length can be customized according to needs