JIS

Cross recessed head tapping screws (Foreign Standard)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2015

Self drilling tapping screws
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2003

Hexagon flange head tapping screws
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1995

Screw and washer assemblies with plain washers -- Washer hardness classes 200 HV and 300 HV
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2006