The old fasteners are the parts of the repair screws and oil after the fasteners are recycled. Ensure the normal use of the fasteners. Today, Yan Xinsen domain Xiaobian will take you to understand the old fasteners.
The material of the old fasteners is the same as that of the new fasteners. The market is generally divided into Malleable and ductile iron. The fasteners of Malleable are harder, and the fasteners of ductile iron are softer. Due to the relatively high price of Malleable, the price of fasteners in Malleable will be higher than the price of fasteners in ductile iron.
Friends who have bought old fasteners will find that the logo on the old fasteners they acquired will be different. Although they are acquired, the brands that are printed on the old fasteners are also diverse. This is because some buyers are buying cheaper fasteners when they buy new fasteners, thinking that they are buying low-cost resources. In fact, this is because there are still some fastener processing factories on the market, they will buy a variety of fastener components for assembly, so the quality of the fasteners is not guaranteed, because such a processing plant only in the price In order to compete with regular manufacturers, the price of fasteners is often lower than that of regular manufacturers. Some friends will ask why this is, how much is his cost, why is it lower than the manufacturer, because the fasteners of these processing factories There will be less than two pounds, he will increase the screw gasket nut to increase the weight of the fastener, which greatly reduces the cost.
