1. The wire screw set is placed in the screw hole of the workpiece such as aluminum alloy to form a standard internal thread with high strength, wear and Suitable for high voltage switchgear, microwave communication, auto parts, air separation equipment, radiators, etc. Threaded hole slip repair of parts, such as threaded hole repair of injection machine template. The imported equipment or mechanical inch thread is damaged, and it needs to be changed to mm thread due to the supply of spare parts.3. In the event of a threading error or repair of a damaged internal threaded hole, the threaded hole can be economically and effectively repaired by using a threaded sleeve as a means of repair. The same screws can also be used after repair.4. The use of wire screw sleeves for mm---inch threaded hole conversion is convenient and fast.5. With a box and sponge for well and transportation.Spec:Item Type:Thread SleeveMaterial:Stainless SteelThread Insert Size:M11x1.25 Length:2DPackageList:1 x Spiral Drill1 x Screw Tap1 x Wrench1 x Break Pin Tool1 x Hex Wrench12 x Thread Repair InsertNote:InstructionsDrill holes using a matching drill bit.Use wire threaded (special) tap tapping, the tapping depth must exceed the wire screw sleeve mounting length.Insert the wire screw into the mounting wrench with the tail down. Turn the wrench handle to screw the wire screw into the threaded hole.Use a break pin tool to align the mounting handle (tail) with a hammer to strike the punching tool and the tail handle can be removed.When there is a problem with the installation of the threaded screw sleeve, (such as a jumper), the threaded sleeve can be taken out by the wire threading tool.