Which tap/die for 7mm and 8mm OD pipe with .45mm wall?
I want to thread some tube (since I can't find any to buy in the size I need). I've never used a tap and die before. My pipes are 7mm and 8mm outside diameter, with .45mm wall thickness. I need threads on both sides so they'll screw together. No, I'm not trying to screw the 7mm into the 8mm; I'm just not sure which size will work best.
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