1/8-27 NPT Drill and Tap Kit

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  • $14.24
  • Regular price $14.99


GlowShift’s 1/8-27 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 1/8-27 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.


Drill Bit Details:
  • Diameter: 0.3390"
  • Finish: Cobalt
  • Material: High Speed Steel
  • 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
  • Thread Diameter: 1/8"
  • Thread Size: 27
  • Type: Pipe Tap
  • Number of Flutes: 4
  • Overall Length: 2 1/4"
  • Weight: 0.0613 lbs
How To Drill And Tap An Exhaust Manifold 03:16

This video will walk you through the steps on how to drill and tap your vehicle's exhaust manifold for when you are installing GlowShift's Pyrometer. For More Information Please Visit: http://www.glowshiftdirect.com/1-8-npt-drill-and-tap-kit.aspx

How To Drill And Tap An Exhaust Manifold

This video will walk you through the steps on how to drill and tap your vehicle's exhaust manifold for when you are installing GlowShift's Pyrometer. For More Information Please Visit: http://www.glowshiftdirect.com/1-8-npt-drill-and-tap-kit.aspx