JIS

Screw and washer assemblies made of steel with plain washers -- Washer hardness classes 200 HV and 300 HV (Foreign Standard)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2012

T-Slot bolts
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1995

Eyebolts (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1994

Cup head square neck bolts (Amendment 1) (Foreign Standard)
Amendment by Japanese Industrial Standard / Japanese Standards Association, 01/01/2015