Stainless Square Nuts Square Threaded Nuts 

Full height, four-sided square nuts provide greater surface contact (compared with a standard 6-sided hex nut) against the part being fastened. This provides greater resistance to loosening. Square nuts work well in blind spots because they can be tightened with pliers or a wrench. Stainless square nuts are commonly used in damp environments for corrosion resistance, popular across a wide range of industries: automotive, motorsport, industrial machinery, architectural finish work, agriculture, food processing, clean energy, etc. For any application involving marine (salt water), use A4 / 316 Stainless Steel material, available as a special order. Also known as chamfered square nut Additional Materials:  Stainless Steel