ISO 10644-S4-2009
Hexagon socket heads cap screws and plain washer assemblies
ISO 10644-S4-2009
Hexagon socket knurled heads cap screws and plain washer assemblies
ISO 10644-S4-1998
Hexagon socket heads cap screws and plain washer assemblies
ISO 10644-S4-1998
Hexagon socket knurled heads cap screws and plain washer assemblies
ASME/ANSI B18.13.1M-4-1998
Metric cross recessed oval head screws and countersunk serrate lock washer assemblies-Table 4