HB 4434-1990
托料销
1990-09-18
HB 4436-1990
槽形托料销
1990-09-18
DL/T 764-2014
电力金具用杆部带销孔六角头螺栓
Hexagon head bolts with split pin hole on shank for electric power fittings
2014-10-15
HB 8362-2015
GH4169螺纹公差带6h光杆公差带h7螺纹带开口销孔长螺纹小六角头螺栓
Bolt,reduced hexagon-head,shank tolerance h7,thread tolerance 6h,long thread with cotter pin,GH4169
2015-10-10
HB 8360-2015
GH4169螺纹公差带6h光杆公差带h12螺纹带开口销孔长螺纹小六角头螺栓
Bolt,reduced hexagon-head,shank tolerance h12,thread tolerance 6h,long thread with cotter pin,GH4169
2015-10-10
HB 8360-2015(2017)
GH4169螺纹公差带6H光杆公差带H12螺纹带开口销孔长螺纹小六角头螺栓
2015-10-10
HB 8362-2015(2017)
GH4169螺纹公差带6H光杆公差带H7螺纹带开口销孔长螺纹小六角头螺栓
2015-10-10