InLine fan screws Set for 25mm fan (Personal Computers)
Not only that other fan screws are thicker than this, they are also too short. The washers stay only 1 or 2 mm of thread. In my case, the fan did not attach these screws.
InLine fan screws Set for 25mm fan (Personal Computers)
The screws are well made but unfortunately too thin for the H80i and have a bit too short 2 images are where the supplied of H80i and here to buy screws watching