JIS B1175-1988
Hexagon socket head shoulder screws
JIS B1175-1988
Knurled hexagon socket head shoulder screws
JIS B1176-2006
Hexagon socket head cap screw with fine thread
JIS B1176-2006
Hexagon socket knurled heads cap screws with fine threads
JIS B1176-2014
Hexagon socket head cap screw with fine thread
JIS B1176-2014
Hexagon socket knurled head cap screws with fine thread
JIS B1176-2000
Hexagon socket heads cap screws with fine threads
JIS B1176-2000
Hexagon socket knurled heads cap screws with fine threads