... Grade: 8.8,10.9 ASTM A325M - 09 Standard Specification for Structural Bolts, Steel, Heat Treated 830 MPa Minimum Tensile ... Strength[Metric] Specification:1.Main Size: M27,length:35mm~1200mm or according to ... Equipment: Quality System: Projects Achievements: ASTM A325M - 09 Standard Specification for Structural Bolts, Steel, Heat Treated 830 MPa Minimum Tensile ...