It will also be necessary to use the term bolt washer for the washer. The area of use of the product is at a very practical point. For this, it will be complementary to all products that require the use of the machine, such as bolts, washers and screws. The values of these products used as a result of the destruction of the surface are extremely important. The use of the products is the problem of the products when the bolt in the fasteners loosens the head part. Due to friction, this will cause damage to the bolt that is here. It is one of the factors that causes this situation in cases such as rusting. In this part, which occurs more due to the contact, it will be expected that the bolt will loosen easily for the part, which is very effective for opening the obstacles. When there is a situation that will be prevented by friction, stamp use will take place.