Want to fix something, which is a triple iron (do not know how thick), would like to ask what screws can be turned into? Can ordinary drill go in? The question is to consider the drill or consider the screw, or have to consider? Thank you! The
This screw we usually call the tail wire it has a drilling tapping and fastening parts to complete the function of a one-time convenient; drill recommended with the speed of hand drill! Because the speed of this hand drill can be slow down the general hand drill speed is too high in a short period of time to burn the drill wire drill hole in the face of the drill wire can not enter; even into the sometimes because the speed is too high and twist Broken footers in vain! OK!
You use high-strength drill bit, drill hole, after drilling with a tap, cone wire, tighten the screw, how much wire according to your choice.
Because this screw (metal self-tapping screw) than iron, can eat iron. Coupled with its special design type, so it can be drilled less than its small diameter in the hole. So you have to first drill with a drill before drilling a hole smaller than its diameter it is possible to drill into.
Self tapping screw is a screw, on, do not have to pre-open the thread, it will spin out the thread, the Chinese name "self-tapping screws."
Self-tapping screw; is a screw with a drill bit, through a dedicated power tool construction, drilling, tapping, fixed, locked once. Self-tapping screws are mainly used for the connection and fixing of some thin plate pieces, such as the connection of color steel plate and color steel plate, the connection of color steel plate and purlins, wall beam, etc., its penetrating power is generally not more than 6mm, the maximum does not exceed 12mm.
