Whether to use Coarse or Fine Threads has been a subject of much debate. The following information lays out some advantages & disadvantages so that the reader can make up his own mind based on individual requirements. It should be noted however that the availability of standard coarse threaded fastener far exceeds fine threads fasteners, making them very cost effective. This argument together with the favorable economics of simplification has led to a bias in favor of coarse threads.
Coarse threads advantage for most applications:
Fine Threads offer: