This standard specifies different types of fastener inspection documents issued by fastener manufacturers or distributors and/or external authorized representatives according to the specific requirements of the purchaser at the time of ordering. --- Declaration of Conformity (F2.1); --- Test Report (F2.2,
GB/T 39310-2020 Referenced Document
GB/T 3098.1 Mechanical properties of fasteners.Blots, screws and studs
GB/T 3098.2 Mechanical properties of fasteners.Nuts
GB/T 3098.3 Mechanical properties of fasteners.Set screws