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Cleveland straight flute hand tap, bright uncoated high-speed steel, 3/4"-10 UNC, 4.25 in overall length

Cleveland

Cleveland C54840 Straight Flute Hand Tap 3/4"-10 UNC pneumatic accessory

SKU CH-VRSE-M6DG3

Straight flute hand tap cuts 3/4"-10 UNC threads in high-speed steel with a 4.25 in overall length and H3 thread limit

  • Product typeTaps
  • Straight-flute design clears chips in blind holes
  • 3/4"-10 UNC thread cuts standard coarse fasteners
  • High-speed steel resists wear during repeated threading
  • 25 in overall length reaches deep workpieces
  • Bright finish prevents coating buildup on threads

Cleveland C54840 Straight Flute Hand Tap

The Cleveland C54840 is a straight flute hand tap designed for cutting internal UNC threads. It suits maintenance technicians and metalworkers who need to create or repair 3/4"-10 threads in through-holes or blind holes.

High Speed Steel Build and Right Hand Thread

Made from uncoated high speed steel, the tap offers a bright finish for general purpose threading in steel and non-ferrous metals. Its right hand orientation and 4.25 inch overall length fit standard tap wrenches for manual operation.

Cuts 3/4"-10 UNC Threads to H3 Limit

This tap produces a Class 2B fit with an H3 thread limit using a 75 percent thread drill size of 16.50 mm. It is not for buyers who need a different thread form, pitch diameter limit, or coating for high volume production.

How it compares

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

Price $45.99
Pricier than about 65% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

What thread standard does the 3/4"-10 UNC tap follow, and what class of fit does it produce?

The tap follows the Unified National Coarse standard and produces a 2B class of fit for the internal thread.

What drill size is required to prepare the hole for this 3/4"-10 UNC tap?

A 16.50 mm drill is specified for 75 percent thread engagement before tapping.

How is this straight-flute hand tap used, and what common mistake should be avoided?

Turn the tap by hand with a tap wrench, apply cutting fluid, and reverse frequently to break chips; do not force it or use a power driver, which can snap the flutes.

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