DIN 912-1983
Hexagon socket head cap screws
DIN 912-1983
Hexagon socket head cap screws-Knurled head
GB/T 70-1976
Hexagon socket head cap screws
GB/T 70-1985
Hexagon socket plain heads cap screws
GB/T 70-1985
Hexagon socket knurled heads cap screws
Q 218B-1999
Hexagon socket plain heads cap screws
JB/ZQ 4352-2006
Hexagon socket head cap screws
NF E25-125-2004
Hexagon socket heads cap screws
NF E25-125-2004
Hexagon socket knurled heads cap screws
NF E25-125-2002
Hexagon socket heads cap screws
NF E25-125-2002
Hexagon socket knurled heads cap screws
NF E25-125-1997
Hexagon socket heads cap screws
NF E25-125-1997
Hexagon socket knurled heads cap screws
NF E25-125-1984
Hexagon socket heads cap screws
ISO 12474-2010
Hexagon socket head cap screws with fine threads
NF E25-177-2010
Hexagon socket head cap screws with fine threads
GB/T 70.1-2000
Hexagon socket head cap screws
ISO 21269-2004
Hexagon socket heads cap screws with fine pitch thread
ISO 21269-2004
Hexagon socket knurled heads cap screws with fine thread
JIS B1176-2006
Hexagon socket head cap screw with fine thread