How to design Screw slots

How to design Screw slots screw slot Screw M4 x 8 mm with Pozi-slot nickel plated Screw with Pozi-slot Screw thread M4 Length 8 mm Material: metal nickel plated Only for tubes of M4 x 10 mm screw slot Titanium Mini Screw Cross Slot Head · Screw is available in Titanium with Cross slot head · Mini Screw Cross slot head available with Dia ,,

screw slot An aligned grip holds the blank screws while it is being slotted Thus, giving a straight slot in the head of the screw Comes with water coolant pump

screwdriver slot SCREW 6-32X 5 SET SST SLOT  SCREW 6-32X 5 SET SST SLOT