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Cleveland C56704 pipe tap 3/8"-18 NPT semi-bottoming 4 flutes high speed steel TiN coated

Cleveland

Cleveland C56704 Pipe Tap 3/8"-18 Semi-Bottoming 4 Flutes NPT

SKU CH-HE71-D4XCH

Cuts 3/8"-18 NPT threads with a semi-bottoming design, four flutes, high-speed steel construction and TiN coating

  • Product typeTaps
  • NPT pipe threads cut cleanly with 4-flute design
  • 3/8"-18 sizing fits standard pipe connections
  • Semi-bottoming style reaches deeper into blind holes
  • High-speed steel construction resists wear during repeated use
  • TiN coating reduces friction for smoother threading

Cleveland 3/8"-18 NPT Pipe Tap

The Cleveland C56704 is a semi-bottoming pipe tap designed for cutting 3/8"-18 NPT threads in pipe and conduit. It suits maintenance technicians and fabricators who need to create or repair tapered pipe threads in metal assemblies.

Four-flute high-speed steel with TiN coating

Four flutes on high-speed steel provide balanced chip evacuation while the TiN coating reduces friction during extended threading operations. The semi-bottoming chamfer allows threading closer to the bottom of a blind hole without the aggressive cut of a bottoming tap.

Verify 0.5625 in drill size and right-hand threads

Confirm the workpiece material suits high-speed steel and that a 75 percent thread depth matches the joint specification. The tap cuts right-hand threads only; ensure the application does not require left-hand orientation before ordering.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $42.99
Pricier than about 63% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

Does the Cleveland C56704 tap generate much heat when threading 3/8"-18 NPT holes all day?

Cutting heat depends on cutting fluid, speed and workpiece material; the tap itself is high-speed steel with TiN coating to resist wear during extended use.

What drill bit must I already have to prepare the hole for this 3/8"-18 NPT tap?

The specified drill size is 0.5625 in (9/16 in) for 75 percent thread engagement before tapping.

Will this 4-flute semi-bottoming tap work in my older manual tap wrench?

Yes, the square shank fits standard tap wrenches and the right-hand 4-flute design is compatible with conventional hand-threading setups.

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