ASTM A325 Type 1 Heavy Hex Structural Bolts,A325 Hex bolt
China ASTM A325 Type 1 Heavy Hex Structural Bolts,A325 Hex bolt manufacturer ASTM A325 is an ASTM International standard for heavy hex structural bolts, titled Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile [...]