If you manufacture or distribute replacement screws for Japanese equipment, your product must state compliance with “JIS B 1012:2017” – otherwise, buyers will reject it.
: A true JIS B 1012 screw head can typically be identified by a single debossed dot or small "X" stamped on one side of the cross slot. Jis B 1012 Pdf 17
While a PDF is necessary for full tables, here are example specifications for a Grade 12.9 M10 x 30 socket head cap screw per JIS B 1012:2017 (values are typical and for reference only): If you manufacture or distribute replacement screws for