1/8-27 NPT Drill and Tap Kit

GlowShift’s 1/8-27 NPT Drill and Tap Kit is the perfect kit for anyone looking to drill and tap directly into the exhaust manifold or intake manifold. The featured 1/8-27 NPT Tap is used for tapping thermocouple EGT probe 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" with a 118° point that drills the perfect hole to tap into. The cobalt finish increases lubricity and chip flow and can be used in various applications.