GB/T 9074.32-2017: Translated English of Chinese Standard. (GBT 9074.32-2017, GB/T9074.32-2017, GBT9074.32-2017): Bolt or screw and washer assemblies with conical spring washersThis Part of GB/T 9074 specifies type size, technical conditions and marks of bolt or screw and washer assemblies with conical spring washers. This Part applies to bolt or screw and washer assemblies with conical spring washers of which the bolt or screw (GB/T 3098.1) thread specifications are M2.5 ~ M12, the performance levels are 8.8 and 10.9, the washer hardness is 420 HV ~ 490 HV. |
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