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taps
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K
PM Research #1 Build
I've started on this, going ok with minor missteps so far. Maybe someone who has built this can answer a question: I see the steam chest has ports labeled "1/4-40 tap 1/8" deep for model pipe". I'm confused, or blind. Straight 1/4-40 taps I can find, though 1/8" deep is only about 5 threads...- kmanuele
- Thread
- 1/4-40 taps
- Replies: 4
- Forum: STATIONARY & LIVE STEAM ENGINES