Dobermann
Hot Rolled
- Joined
- Jan 2, 2014
- Location
- North Carolina
I found this tap in a box of misc taps and dies that I got from my father. At first I thought it was a 1/4" X 32 tap which was, I believe, the thread for the spark plug in vintage 1930's spark ignition model airplane engines.
However what the application for a 7/32 X 32 thread might be is beyond me. I'm pretty sure it's not a South Bend thread but I thought perhaps somebody here on the forum might recall what it is/was used for.
However what the application for a 7/32 X 32 thread might be is beyond me. I'm pretty sure it's not a South Bend thread but I thought perhaps somebody here on the forum might recall what it is/was used for.