1/8-27 NPT pipe tap threaded into boss on red-painted engine cas…

Extreme close-up of a 1/8-27 NPT pipe tap threaded into a boss on a freshly red-painted cast engine component, with the tap's size marking legible on its shank. Bare machined bosses and paint runs surround the tapped hole.

AI caption February 2011 · Photo 0 of 5000