ASTM F3125/F3125M-19 pdf free.Standard Specification for High Strength Structural Bolts and Assemblies, Steel and Alloy Steel, Heat Treated, Inch Dimensions 120 ksi and 150 ksi Minimum Tensile Strength, and Metric Dimensions 830 MPa and 1040 MPa Minimum Tensile Strength. ASTM F3125 covers chemical, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch...