12-point
Reduced shank
Normal shank
Full thread
ASME/ANSI B18.2.5M-2017
Metric type U 12-Piont flange screws
Metric type F 12-Piont flange screws
Metric type U 12-Piont flange screws with reduced shank
Metric type F 12-Piont flange screws with reduced shank