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: M4
Thread length: 5mm/0.2inch
Nut length: 18mm/0.71inch
Total size: 35 x 12mm/1.38 x 0.47inch(length*diameter)
Color: silver
Material: iron
In the package of: 1pcs /pack of 4(4screw+4spring+4gasket)

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. Electroplated nickel surface material has good surface smoothness. Which is suitable for using M4 threaded CPU water block to make the CPU work better and the computer work better.

How to use it?
1.Put the cold head back plate on the back of the motherboard, then screw the short screws from the front of the motherboard onto the threads of the back plate; 2.Coat the CPU surface with silicone grease; 3.Place the water-cooling head, put the spring on the long screw, and then lock the big 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.