DIN EN 3388:2009-07

This standard specifies the technical and quality assurance requirements for externally threaded fasteners in material NI-P100HT (Inco 718) of tensile strength class 1275 MPa at room temperature, maximum test temperature of material 650 °C. The externally threaded fasteners specified herein may be manufactured by machining from bar or by forging at the manufacturers option, if forged there is no requirement for control grainflow. Primarily for arospace applications it is applicable to such externally threaded fasteners when referenced on the product standard or drawing.