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Cleveland straight flute hand tap, bright finish, four flutes

Cleveland

Cleveland C54782 Straight Flute Hand Tap 5/8"-11 UNC 4-flute HSS pneumatic accessory

SKU CH-D4ZT-DXY14

A three-piece tap kit for cutting 5/8"-11 UNC threads in high-speed steel with four flutes and a 3B class of fit

  • Product typeTaps
  • High-speed steel construction resists wear during threading
  • Four-flute design clears chips for smoother cuts
  • UNC 5/8"-11 thread standard fits common applications
  • H3 thread limit delivers Class 3B fit accuracy
  • Bright uncoated finish suits general-purpose tapping

Cleveland C54782 Straight Flute Hand Tap

The Cleveland C54782 is a straight flute hand tap designed for creating 5/8"-11 UNC threads. It suits machinists and maintenance technicians who need to produce Class 3B internal threads in through-holes or blind holes.

Sustained cutting performance

High-speed steel construction maintains hardness during extended threading operations. The bright uncoated finish allows lubricant adhesion while the four-flute design evacuates chips efficiently through continuous use. Thread limit H3 controls size consistency across repeated cuts.

Thread specification

This tap cuts right-hand UNC threads to a 5/8"-11 size with a 1 13/16 inch thread length and 3 13/16 inch overall length. It requires a 13.60 mm drill for 75 percent thread engagement. Buyers needing a different thread pitch or diameter cannot use this tool.

How it compares

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

Price $85.99
Pricier than about 80% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

How much heat does the 4-flute HSS tap generate during extended threading?

The uncoated high-speed steel tap produces typical cutting heat for UNC 5/8"-11 threads; use cutting fluid to manage temperature during long runs.

What drill size must I already have to prepare the hole for this 5/8"-11 UNC tap?

A 13.60 mm drill bit matching the 75 percent thread drill size is required before tapping.

Will the H3 thread limit and 3B class of fit work with older UNC bolts I already own?

Yes, the H3 limit and 3B fit are standard for UNC 5/8"-11, so existing bolts of the same specification will engage correctly.

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