FS10 series cross recessed hexagon head three sems screw

Model number and parameters (Unit: mm)
Model number FS10-4 FS10-5 FS10-6 FS10-8
Thread size M4 M5 M6 M8
Thread nominal diameter (d) 4 5 6 8
Washer diameter (dc) 9 10 12 16
Washer  thickness (h) 0.8 1 1.6 1.6
Base thread length (b) 38 38 38 38
Model number FS10 series
Name Cross recessed hexagon head three sems screw
Material 304 stainless steel
Standard GB9074.13
Dimension e.g. M6*30: Thread nominal diameter is 6mm, length is 30mm (not include the head length)
Alias name FS10 series cross hexagon head combination screw