How to keep long m2.5 screws from bending?

In general, screw manufacturers rarely produce long, thin paths when producing screws because they bend easily during production. How do you ensure that long m2.5 screws don’t bend?

When producing long m2.5 screws, make sure that the wires of the screws can enter the machine and complete the production. Otherwise, if the material is too soft, it will be difficult to produce such long screws, which cannot be done with ordinary machines. In order to produce non-bending screws, you need to:

One is the mold, supporting the mold must be able to make the screw production, and in the debugging, to pay attention to the stability of the machine, the mold.

Surface machining. M3 long screws generally bend when surface treated, especially when heat treated. Because it rolls in the furnace, such a slender screw bends. Therefore, it is generally not recommended to do heat treatment, when doing surface treatment may be inclined to hang plating. Or do the correction after the surface treatment is done.

Three packages. It is also possible for long long m2.5 screws to bend due to vibration and movement during transportation if they are packaged arbitrarily. Therefore, when packing, the screws must be neatly arranged before bagging, and put foam pad in the carton to slow down the vibration.