How to clean black hex head screws?

black hex bolt Degreasing

During the production process, the surface of the blackened hex bolts will generally be stained with a lot of engine oil, so after production, we need to clean the oil on its surface. You can put the black hex bolts and nuts in the stainless steel cleaning and degreasing agent for treatment, soak for about ten minutes, and then take them out and wash them with clean water.

black hex head bolts Descaling

Some black hex bolt and nut will have scales during production, so it is necessary to remove the scales on the surface. You can put the hexagonal bolts in the vibration tank, and then use a special cleaning agent to clean the hexagonal bolts.

black hex screws Polishing

This method mainly requires the use of a special surface treatment machine, and then use abrasives to remove burrs and uneven things on the surface of the bolts. After polishing, the surface of the bolts needs to be cleaned so that the surface of the bolts looks bright.