Longer screws for fan mounting. These course thread screws can be used to mount standard fans and are longer then the normal screws to ensure proper installation in some applications. These work great when adding a fan silencer to your chassis fans.
The M4 x 40mm Pan Head Screws - Stainless Steel - 4 Pack Complete Set is a complete screw set to install case / chassis fans. This set comes complete with 40mm long screws along with rubber and stainless steel washers and two different kinds of nuts to ensure these will work for a wide variety of fan sizes.
This set is extremely useful when installing fan silencer...