What is this?
These are the CPU water cooling head screw used to fix the water cooling head on the main board. They are widely applied for CPU, GPU, creative workstations, servers and data centers, as well as theme customization and display construction.

What will I get?
Thread diameter: M3
Thread length: 29mm/1.14inch
Total length: 31mm/1.22inch
Knurled nut: 9x 6 mm/0.35x 0.24 inch(diameter*height)
Color: silver
Material: iron
Accessories: hexagon nut screw knurled nut with gasket
In the package of: 2pcs (CPU water cooling head screws+gasket+hexagonal nut+knurled nut)

Are there any advantages of the product?
The CPU water cooling head screw are made of iron material that offers strength, durability and corrosion resistance. Galvanized surface material has good surface smoothness. Which is suitable for using M3 threaded CPU water block to make the CPU work better and the computer work better.

How to use it?
1.Fasten the screw through the gasket to the back of the motherboard; 2.On the front of the motherboard, first pass the gasket through the screw, and then pass the small threaded nut through the screw; 3.Pass the cold head through the screw, install the spring, and install the large nut.

What should I notice?
Please make sure the screws you choose are suitable for the water block and processor or graphics card you are using. Do not tighten or loosen the screws too much.