JIS

Cross recessed head tapping screws
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/1996

Drilling screws with tapping screw thread (Foreign Standard)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2015

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

Tapping screw washer assemblies with plain washers (FOREIGN STANDARD)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2004