Originally Posted by
Lambswool
Minor point Lead,
They are ACME not square threads. Two different things
Lambswool,
Agreed, but this was more a "Keep it simple" explanation, maybe I should have been more precise and siad "squarish" thread ---- in another thread, it was clear many posters did not appreciate the difference between Metric, Imperial and SAE threads on various DH engines.
Tootle pip!!