It does not have and will cause that there's pit on revetment brick due to nut protrusion.Inside the current embodiment, the amount of counterbore and fixation gap is just not confined Other features and advantages of the utility product will illustrate in the following description, also, partly from specification https://slope-protection-mold94827.dgbloggers.com/33928494/5-tips-about-spun-pile-you-can-use-today