"Knurled screws make it easier to open and close PC cases.
You don't need to search for screwdrivers anymore, just loosen the screws by hand.
Furthermore, you can also use Phillips or slotted screwdrivers for assembly as usual.
Thread length is 8mmTotal length of the knurled screw: 16.
4mmThread diameter: approx.
3,4mm (UNC #6-32 thread)Knurl diameter 8,9mmMaterial: steel, nickel plated"