This specification covers metric bolts and screws made from a low alloy steel of the type identified under the Unified Numbering System as UNS G87400. The following specification designations and their properties are covered: MA3376 860 MPa minimum ultimate tensile strength at room temperature MA3376-1 1000 MPa minimum ultimate tensile strength at room temperature MA3376-2 860 MPa minimum ultimate tensile strength at room temperature 516 MPa minimum ultimate shear strength at room temperature MA3376-3 1000 MPa minimum ultimate tensile strength at room temperature 600 MPa minimum ultimate shear strength at room temperature