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Cleveland C55140 straight flute hand tap 5/8"-11 plug HSS TiN finish

Cleveland

Cleveland C55140 Straight Flute Hand Tap 5/8"-11 Plug HSS TiN

SKU CH-49YS-VETY4

Straight-flute hand tap cuts 5/8"-11 UNC threads with a plug chamfer, HSS TiN coating, 1.81 in thread length and 3.81 in overall length

  • Product typeTaps
  • High-speed steel with TiN coating resists wear during threading
  • Plug chamfer starts threads easily in through-holes and blind holes
  • 5/8"-11 UNC size cuts standard coarse threads for common fasteners
  • 81 in overall length provides reach for deeper holes
  • 81 in thread length matches standard tap drill depths

Cleveland C55140 Straight Flute Hand Tap

The Cleveland C55140 is a straight flute hand tap made from high speed steel with a titanium nitride coating. It cuts unified coarse threads at 5/8"-11 with a plug chamfer for through-hole or blind-hole work. The overall length is 3.81 inches and the thread length is 1.81 inches.

Machinists cutting UNC threads in steel or iron

This tap suits machinists producing 5/8"-11 UNC threads to a 2B class of fit with an H3 limit. It is not for left-hand threads, metric sizes, or pipe thread forms. Buyers who need a taper or bottoming chamfer, or a different thread limit, should select another tool.

Hand installation with a tap wrench

The square shank fits a standard tap wrench for manual operation. Correct alignment prevents tap breakage and oversize threads. Using the specified 13.60 mm drill size for 75 percent thread engagement reduces cutting torque. Chip evacuation in deep blind holes requires frequent reversal to clear swarf.

How it compares

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

Price $38.99
Pricier than about 61% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameCLEVELAND
Product typeTaps

Questions about this item

What drill bit diameter do I need before tapping with this 5/8"-11 plug tap?

Use a 13.60 mm drill bit to create the 75 percent thread hole before running the tap.

Will this H3-limit tap fit a standard 2B internal thread gauge?

Yes, the H3 thread limit is designed for a class 2B fit in unified coarse threads.

How can I confirm the tap is cutting the correct 5/8"-11 threads after setup?

Check the thread length reaches 1.81 in and verify fit with a 2B thread plug gauge.

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