Tower bolt is the essential connecting part for repairing tower, and pole construction of power and telecom departments. We offer different length and standard tower bolt in M12, M14, M16, M18, M20, M24. All superior tower bolts are processed by A235 or Q235 steel, therefore there are high tensile, shearing strength, and high stability. The entire technique index accords with international industry standard. Warmly welcome customers to call us and make a visit.