Standards:
Standard Library
(29)
QC 120-1999Double end studs
QC 128-1999Double end studs(clamping type)
QC 121-1999Double end studs b1=1.25d
QC 121B-1999Double end studs b1=1.25d
QC 123B-1999Double end studs b1=1.25d
QC 123-1999Double end studs b1=1.25d
QC 124-1999Double end studs b1=1.25d
QC 125-1999Double end studs b1=1.25d
QC 129-1999Double end studs b1=2d
QC 129B-1999Double end studs b1=2d
QC 120-2012Double end studs
QC 121-2012Double end studs b1=1.25d
QC 121B-2012Double end studs b1=1.25d
QC/T 870-2011Double end studs b1=1.25d
QC 123-2012Double end studs b1=1.25d
QC 123B-2012Double end studs b1=1.25d
QCT 870-2011Double end studs b1=1.25d
QC/T 870-2011Double end studs b1=1.25d
QC 124-2012Double end studs b1=1.25d
QC 125-2012Double end studs b1=1.25d
QC/T 870-2011Double end studs b1=1.25d
QC 126-2012Double end studs
QC 127-2012Double end studs b1=1.5d
QC 127B-2012Double end studs b1=1.5d