Well, a fork generally has from two to five points, one on the end of each tine. Threads usually have only two points, one on each end ... though one end may be hidden in the wind of the bobbin.
There are many other meanings for "fork" and "thread", but it is not clear, from your question, which you intend. Perhaps something
like this is closer to want you want?
GIYF: search term
fork vs thread
ask about what you don't understand.
Compare fork and thread
