DIN 912-1983
Hexagon socket head cap screws
DIN 912-1983
Hexagon socket head cap screws-Knurled head
GB/T 70.3-2008
Hexagon socket countersunk head screws
GB/T 70.2-2008
Hexagon socket button head screws
GB/T 70.2-2015
Hexagon socket button head screws
GB/T 70.1-2008
Hexagon socket head cap screws
GB/T 70.4-2015
Hexagon socket button head screws with collar
GB/T 70-1976
Hexagon socket head cap screws
GB/T 5281-1985
Hexagon socket head shoulder screws
GB/T 5281-1985
Knurled hexagon socket head shoulder screws
GB/T 70-1985
Hexagon socket plain heads cap screws
GB/T 70-1985
Hexagon socket knurled heads cap screws
ISO 4762-2004
Hexagon socket heads cap screws
ISO 4762-2004
Hexagon socket knurled heads cap screws
ISO 7379-1983
Knurled hexagon socket head shoulder screws
ISO 7379-1983
Hexagon socket head shoulder screws
ISO 7380-2004
Hexagon socket button head screws
ISO 10642-2004
Hexagon socket countersunk head screws
DIN 7991-1986
Hexagon socket countersunk head screws
DIN 6912-2002
Hexagon socket thin head cap screws with pilot recess
