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Cleveland C54893 straight flute hand tap 7/8"-14 UNF high speed steel bright finish

Cleveland

Cleveland C54893 Straight Flute Hand Tap 7/8"-14 pneumatic accessory

SKU CH-65BB-QPWC1

A straight-flute hand tap cuts UNF 7/8"-14 threads in a three-piece kit made from high-speed steel

  • Product typeTaps
  • Straight-flute design clears chips in through-holes
  • High-speed steel resists wear on tough materials
  • UNF 7/8"-14 thread fits fine-pitch applications
  • Four flutes give smooth cutting action
  • H4 limit with 3B class ensures precise fit

Cleveland C54893 Straight Flute Hand Tap

The Cleveland C54893 is a straight flute hand tap designed for creating internal threads in metal workpieces. It suits machinists and maintenance technicians who need to cut precise UNF threads by hand or with a tapping head.

7/8"-14 UNF thread capacity and H4 limits

This tap cuts a 7/8"-14 UNF thread with a Class 3B fit and H4 thread limit. The four-flute high-speed steel body handles general-purpose materials, while the 75 percent thread drill size of 20.40 mm provides appropriate engagement for standard through-holes.

Three-piece kit for progressive threading

The set includes taper, plug, and bottoming taps to start, continue, and finish threads in a single operation. Bright uncoated finish requires cutting fluid for chip evacuation and tool life. Right-hand thread direction matches standard fastener conventions.

How it compares

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

Price $168.99
Pricier than about 90% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

Will the 7/8"-14 UNF thread work with my existing 7/8"-14 UNF dies and gauges?

Yes, the tap cuts a standard UNF 3B class of fit with right-hand thread direction, matching 7/8"-14 UNF dies and gauges.

How can I verify the 7/8"-14 threads are cut to the correct 3B fit after tapping?

Check the finished threads with a 7/8"-14 UNF 3B thread plug gauge; the GO member should enter and the NO-GO should not.

Does the three-piece kit include the 20.40 mm drill bit for the 75 percent thread depth?

No, the kit contains only the taper, plug and bottoming taps; the 20.40 mm drill bit must be purchased separately.

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