thread chaser kit

36tbird

Well-known member
After I rebuilt my flattie I learned that it is better to chase the threads with a proper tool and not a cutter for making new threads. I am looking at starting another rebuild soon. Anybody recommend a place to find a thread chaser kit that offers the general sizes of threads in a flathead block, especially the heads?
 
I take an appopriate bolt and file at least three grooves along the length of the threads. Works great and it's mighty cheap.
 
i bought mine at sears for 49.99 and it works great....but it does have metric :eek:.
 

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The threads for the heads in a flathead are not standard tolerance. I would use a old stud with a thread cutting groove. I bevel the end to make a simple cutting edge.
 
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