looking for correct drill size for 1/8Npt pipe threads. This comes with the tap! No need to look any further.
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MaxTow’s 1/8 NPT Drill and Tap Kit is perfect kit for anyone looking to drill and tap directly into the exhaust manifold or intake manifold. The featured 1/8 NPT Tap is used for tapping thermocouple and boost gauge fitting holes for gauge sensors that will deliver optimum results directly from the source. The size R high speed steel drill bit’s overall length is 4 3/4 inches with a 118° point that drills the perfect hole to tap into. The black-oxide finish increases lubricity and chip flow and can be used in various applications.
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