What is a Drill and Tap Kit?

GlowShift’s 1/8 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 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 an 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.

Drill Bit Details:

Diameter: 0.3390"
Finish: Cobalt
Material: High-Speed Steel
Point: 118°
Type: Jobber Drill Bit
Drill Size: R
Flute Length: 3-7/16"
Number of Flutes: 2
Overall Length: 4-3/4"
Shank Size: R
Drill Style: Letter
Weight: 0.1035 lbs
Tap Details:

Thread Type: NPT
Tap Drill Size: R
Diameter: 1/8"
Finish: Bright
Material: High Carbon Steel
Thread Diameter: 1/8"
Thread Size: 27
Type: Pipe Tap
Number of Flutes: 4
Overall Length: 2-1/4"
Weight: 0.0613 lbs


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