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Cleveland C64102 pipe tap 3/4"-14 NPT semi-bottoming 5 flutes high speed steel bright finish

Cleveland

Cleveland C64102 Pipe Tap 3/4"-14 NPT Semi-Bottoming 5 Flutes

SKU CH-G2D3-8YPNJ

Creates NPT threads with a 3/4"-14 semi-bottoming tap featuring five flutes and high-speed steel construction

  • TypeTaps
  • 3/4"-14 NPT threads cut cleanly in pipe and conduit
  • Semi-bottoming design reaches full thread depth in blind holes
  • Five flutes evacuate chips efficiently for smoother cutting
  • High-speed steel body resists wear during repeated threading jobs
  • 75 % thread engagement with .9063 in drill size ensures strong joints

Cleveland C64102 NPT Pipe Tap

The Cleveland C64102 is a 3/4"-14 NPT semi-bottoming pipe tap designed for cutting internal threads in pipe and conduit fittings. It suits maintenance technicians and metalworkers who need to create pressure-tight joints in threaded piping systems. The high-speed steel construction handles general-purpose threading in steel and iron. It is not for buyers who require coated tools for extended life in abrasive alloys.

Semi-bottoming design and drill preparation

The semi-bottoming chamfer allows threading close to the bottom of a blind hole while still providing easier starting than a full bottoming tap. Five flutes give good chip clearance in the ductile materials typical of pipe work. The critical step is using the correct 75 percent thread drill size of .9063 in; an undersized hole overloads the flutes and an oversized hole produces weak threads. Apply steady pressure and cutting oil to avoid chipping the uncoated flutes.

High-speed steel under sustained threading

Bright high-speed steel cuts cleanly in mild steel and cast iron when lubricated, but it conducts heat into the tool body during repeated cuts. In a production run the uncoated flutes will dull faster than coated alternatives, requiring more frequent resharpening or replacement. The 5-flute geometry distributes cutting forces evenly, reducing vibration during long engagements. Coolant flow becomes essential to maintain thread accuracy over multiple parts.

Highlights

  • 3/4"-14 NPT threads cut cleanly in pipe and conduit
  • Semi-bottoming design reaches full thread depth in blind holes
  • Five flutes evacuate chips efficiently for smoother cutting
  • High-speed steel body resists wear during repeated threading jobs
  • 75 % thread engagement with .9063 in drill size ensures strong joints

Specifications

BrandCLEVELAND
TypeTaps

Questions about this item

How can I verify the Cleveland C64102 pipe tap is cutting threads correctly after I start it?

The tap should produce clean, continuous NPT threads at 14 threads per inch with a 75 percent thread depth matching the 0.9063 in drill size; check engagement on a test piece before full use.

What comes with the Cleveland C64102 tap and what must I supply separately?

The package contains the 5-flute semi-bottoming tap only; you must provide the 0.9063 in drill bit, cutting fluid, a tap wrench or holder, and the workpiece.

When should I choose the C64102 semi-bottoming 5-flute version over other tap styles?

Select this tap when you need to cut 3/4"-14 NPT threads close to the bottom of a blind hole and want the chip clearance of five flutes in high-speed steel.

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