Assembly of hexagon head bolt and conical elastic washer
1 Scope
This standard specifies the assembly of hexagon head bolts and conical elastic washers with thread specifications of M5 ~ M12.
2 Normative references
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. At the time of publication, all editions cited are valid. All normative documents are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below.
GB/T 2-1985 Fasteners — Ends of parts with external thread
GB/T 90-1985 Fasteners — Acceptance inspection, marking and packaging
GB/T 196-1981 General purpose screw threads — Basic dimensions for diameter from 1 to 600mm
GB/T 197-1981 General purpose screw threads — Tolerances and fits for diameter from 1 to 355 mm
GB/T 230-1991 Metallic materials — Rockwell hardness test
GB/T 3098.1-1982 Mechanical properties of fasteners — Bolts, screws and studs
GB/T 3103.1-1982 Tolerances for fasteners — Bolts, screws and nuts
GB/T 3440-1984 Metallic materials — Vickers hardness test
GB/T 3525-1983 Cold-rolled spring and tool steel strips
GB/T 5779.1-1986 Fasteners — Surface discontinuities — Bolts, screws and studs for general requirements
QC/T 326-1999 Coding rules for automotive standardized parts
QC/T 625-1999 Metallic coatings and conversion coatings for automobile
Foreword i
1 Scope
2 Normative references
3 Type and dimension
4 Specification
5 Product code
Annex A (Normative) Conical elastic washer for assembly
