The heads of finished square head bolts are square and they can be easily tightened with wrenches or pliers. You can choose galvanization or other surface treatment methods to extend its service life.
The square head of the finished square head bolt is processed more regularly and has a smoother surface. The screw part is uniform in thickness, with high thread accuracy, and it is smooth and effortless to screw. It is exquisitely crafted with a smooth surface free of burrs. When used on equipment or furniture, it won't scratch other materials and can be disassembled and reassembled multiple times.
Square head bolts are often used in furniture with metal frames. They can not only ensure the stability between the connecting parts, but also match the style of the furniture, and do not affect the appearance when exposed. For example, ironwork bookshelves, industrial-style tables and chairs, etc.
The square head bolt has undergone fine processing. Its four corners are very regular, the dimensions are very standard, and the compatibility with wrenches is very high. The thread depth and spacing of the screw are very uniform. When it is screwed onto the nut, it fits tightly without any shaking sensation.
The surface of the finished square head bolt is smooth without rough burrs. It will not scratch the connected materials during installation. The smooth surface is not prone to dust accumulation or dirt accumulation, making it convenient for later cleaning and maintenance.