The M3.0 x 4.0mm Hardened Carbon Steel Screw is made from hardened carbon steel and is black in color. The thread type is an M3.0 and has a thread length of 4.0mm. These are commonly used for optical drives and motherboard mounting.
The M3.0 x 5.0mm Hardened Carbon Steel Screw is made from hardened carbon steel and is black in color. The thread type is an M3.0 and has a thread length of 5.0mm. These are commonly used for optical drives and motherboard mounting.
The Motherboard Standoffs / Screws / Washers Kit (36 Pieces) is a full set of standoffs, washers, and screws for motherboard mounting that use m3 thread type. 12 each are provided to mount most motherboards.
The Motherboard Standoffs / Screws / Washers Kit (36 Pieces) is a full set of standoffs, washers, and screws for motherboard mounting that use 6-32 thread type. 12 each are provided to mount most motherboards.