1 subject content and scope of application
This standard specifies the technical requirements of hardware fasteners, inspection items, sampling and testing methods.
This standard applies to electronic, telecommunications hardware fasteners finished product testing.
2 reference standard
The following standards contain provisions which, by reference in this standard, constitute the provisions of this standard, and the versions shown are valid at the time of publication of this standard. All standards will be revised and the parties using this standard should explore the possibility of using the latest version of the following standards.
Basic dimensions of ordinary thread GB196-81
GB197-81 Common thread tolerance and cooperation
GB3103.1-82 Fasteners Tolerances studs, screws and nuts
GB1237-88 Marking method for fasteners
GB3098.1-82 Fasteners - Mechanical properties - Bolts, studs and screws
GB3098.2-82 fasteners mechanical properties nuts
GB3098.4-82 fasteners mechanical properties fine nuts
GB3098.6-82 fasteners mechanical properties of stainless steel bolts, screws, bolts and nuts
GB90-85 fasteners acceptance inspection signs and packaging
GB5779.1-86 Fasteners - Surface defects - bolts, screws and bolts - General requirements
GB5779.2-86 Fasteners - Surface imperfections - Nuts - General requirements