Here we have some assorted screws made from top quality A2 stainless steel to cover most guitar applications. 
You will need to measure your old screws accurately if you want an exact match.

1) 2.2 x 9.5 c/s -  Thinner than most pick guard screws, used on some Gibsons and truss rod covers with countersink.
2) 2.9 x 9.5 c/s - Most common size for Gibson and Rickenbacker.
3) 2.9 x 13 c/s - Most common size for Fender.
4) 2.9 x 16 c/s - Slightly longer than most standard pick guard screws - Ideal for replacing stripped threads (in wood).
5) 2.9 x 19 c/s - Much longer than most standard pick guard screws - Ideal for replacing stripped threads (in wood) or for attaching a thumb rest or similar.
6) 3.5 x 25 c/s - Ideal for strap buttons, pickup surrounds etc.
7) 2.9 x 13 pan head - Non countersunk for various uses including pickup surrounds etc.

Supplied in packs of 5.