The bolts will rust after being used for a period of time and will be difficult to disassemble.

Tools / Materials: Open-end wrenches, welders.

Method/step:

1. Select the appropriate special wrench, suitable open end wrench, or plum wrench, so that the disassembly will not slide hands

2, if the rust is more powerful, you can use a hammer to beat, shake the screws.

3, the use of rust remover, this can be said to disassemble artifacts rusted screw nut.

4, if the screw is on the steam VALVE, when it is still hot, remember to use water to cool, otherwise it is easy to remove screw teeth.

5, if the screw can be broken with a welding machine to burn a screw in the above, but generally burned when welding, the screws are easier to screw out

6, pay attention to force, do not use brute force, use skills. You can use tubing to lengthen it, which will save you money.

Yongnian Jinmao Special-shaped Parts Factory mainly deals with custom-made and processed shaped flat keys, special-shaped bolts, special-shaped nuts, conical nuts, oil tube nuts, radiator nuts, round nuts, square nuts, blind mothers, self-contained mat nuts, and T-nuts. Step nut, rivet nut, sleeve thickened flange nut, all kinds of fine buckle, in the buckle, thick buckle, inch, American buckle, T-type buckle and other nuts.