1 Subject Content
This standard specifies that thread specification shall be M 6~M 20 step bolts of C level.
Notes: varieties of commodity fastening pieces shall be given priority.
2 Normative References
GB 196 General Purpose Metric Screw Threads-Basic Dimensions
GB 197 General Purpose Screw Threads-Tolerances and Fits
GB 2 Fasteners-Ends of Parts with External Thread
GB 3098.1 Mechanical Properties of Fasteners-Bolts, Screws and Studs
GB 3103.1 Tolerances for Fasteners--Bolts, Screws, Studs and Nuts
GB 5267 Electroplated Coatings on Threaded Fasteners
GB 1237 Designation System for Fasteners
GB 90 Acceptance Inspection, Marking and Packaging of Fasteners
3 Dimensions
See the following drawing and Table 1 for the dimension.
1 Subject Content
This standard specifies that thread specification shall be M 6~M 20 step bolts of C level.
Notes: varieties of commodity fastening pieces shall be given priority.
2 Normative References
GB 196 General Purpose Metric Screw Threads-Basic Dimensions
GB 197 General Purpose Screw Threads-Tolerances and Fits
GB 2 Fasteners-Ends of Parts with External Thread
GB 3098.1 Mechanical Properties of Fasteners-Bolts, Screws and Studs
GB 3103.1 Tolerances for Fasteners--Bolts, Screws, Studs and Nuts
GB 5267 Electroplated Coatings on Threaded Fasteners
GB 1237 Designation System for Fasteners
GB 90 Acceptance Inspection, Marking and Packaging of Fasteners
3 Dimensions
See the following drawing and Table 1 for the dimension.