Item Type: Thread Repair Kit Material: Stainless steel Threaded Insert Standard: M16 x 1.5(length 1.5D) Instructions First, use a drill of matching size to drill the hole. Second, use wire thread insert (special) tap tapping, the tapping depth must exceed the installation length of wire thread insert. Third, put the wire thread insert into the installation wrench with the tail down, and turn the handle of the installation wrench to screw the wire thread insert into the threaded hole. Fourth, use a punching tool to align the mounting handle (tail) and hit the punching tool with a hammer, and the tail handle can be removed. Fifth, when there is a problem with the installation of the wire thread insert, (such as jumping teeth), the thread thread insert removal tool can be used to remove the thread insert. 1Made of high quality stainless steel material, durable and long service life 2The threaded insert can be placed in the screw hole of the workpiece such as aluminum alloy to form a high-strength, high-accuracy standard female thread. 3Suitable for high voltage switchgear, microwave communication, auto parts, air separation equipment, etc. 4Complete accessories, easy and fast to use 5Metric-imperial units threaded hole conversion with threaded insert, it is convenient and fastPlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.1 X Twisted Drill1 X Tap1 X Wrench1 X Breaker1 X Hex Wrench6 X Threaded Insert