Cleveland
Cleveland C54726 Straight Flute Hand Tap 1/2"-13 Taper HSS
Cuts 1/2"-13 UNC threads in a 3 3/8 in high-speed steel tap with 15/16 in thread length and H3 limits
- TypeTaps
- Cuts standard UNC threads with 1/2"-13 pitch
- Taper lead starts threads easily in through-holes
- High-speed steel resists wear during repeated hand tapping
- 15/16 in thread length matches common fastener engagement
- 27/64 in drill size prepares correct 75 % thread depth
Cleveland 1/2"-13 UNC Hand Tap
This Cleveland C54726 straight flute hand tap cuts 1/2"-13 UNC threads in through-holes and blind holes. The taper chamfer eases the start of the cut and reduces the torque needed on the first turns. High-speed steel construction suits general-purpose threading in steel, cast iron and non-ferrous metals. The bright uncoated finish is ready for cutting fluid or paste.
Starting the tap straight and clearing chips
A 27/64 inch drill produces the recommended 75 percent thread depth before tapping begins. Apply steady pressure and reverse the tap every half-turn to break and evacuate chips from the flutes. Running the tap dry or forcing it past resistance often leads to broken flutes or oversize threads. Use a tapping guide or a lathe tailstock to keep alignment true.
Sustained threading in production runs
The H3 limit and 2B class of fit hold pitch diameter within tolerance across repeated cuts in medium-carbon steel. High-speed steel retains hardness during the longer cycle times of hand tapping compared with a quick machine pass. Cutting fluid prevents built-up edge that would otherwise degrade thread finish after several holes. The 15/16 inch thread length limits the maximum depth per setup.
Highlights
- Cuts standard UNC threads with 1/2"-13 pitch
- Taper lead starts threads easily in through-holes
- High-speed steel resists wear during repeated hand tapping
- 15/16 in thread length matches common fastener engagement
- 27/64 in drill size prepares correct 75 % thread depth
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Taps |
Questions about this item
How can I verify the C54726 tap is cutting a proper 1/2"-13 UNC thread after setup?
Check that the finished hole accepts a 1/2"-13 UNC 2B go gauge and that the thread depth reaches the 15/16 in thread length marked on the tool
What comes in the box with the C54726 tap and what must I supply separately?
The box contains the single HSS straight-flute taper tap; you must supply a 27/64 in drill bit for the 75 percent thread hole and a tap wrench
Which thread limit should I choose for a standard 1/2"-13 UNC 2B fit?
The C54726 is manufactured to H3 limits, which is the correct limit for a Class 2B internal thread in this size
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