The spike nuts are used in furniture leveling pins and legs, since the spikes are nailed into the surface of the furniture preventing rotation, in order to remain tight and without coming off even if there is movement in the legs. There are different types of bolts such as M6, M8, and M10, each with different dimensions. The M6 ​​is 17mm wide and 9mm in diameter, the M8 is 19mm wide and 9mm in diameter, while the larger model is 22.5mm wide by 12mm in diameter. The finish of this nut is zinc plated and can be purchased in the packaging of 1000 units