Brass fittings
#1
Brass fittings
I bought a 1/8" nipple and want to tap an oil pan for its use. I found a 3/8"-24 bolt and it fit into a female 1/8" fitting. When I tried to put the nipple into a 3/8"-24 nut it wouldn't thread. Anyone know why, or know what I should tap the pan with? thanks
#2
The brass fitting has a different thread pitch, you need to find out what the exact pitch is. Option #1: barrow a friends tap&die set. #2 barrow or buy a thread pitch gauge, then just buy the die you need. #3 Go buy a good tap&die set.
Last edited by bluz28; 05-16-2008 at 11:22 PM.
#4
Pipe nipples are tapered NPT threads, not SAE threads. You can't put an SAE nut on a pipe fitting. To attach a part through the oil pan, you need what is called a "bulkhead fitting". That has a longer, SAE male thread that is long enough to project through the bulkhead, and a matching nut to put on the other side.
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