Cleveland
Cleveland C54388 Straight Flute Hand Tap #12-24
Cuts #12-24 UNC threads in four-flute high-speed steel with a 15/16 in thread length and 2 3/8 in overall length
- TypeTaps
- Creates precise UNC threads with #12-24 sizing
- High-speed steel construction resists wear during repeated use
- Bright uncoated finish allows easy inspection of cutting edges
- Four-flute design clears chips efficiently in through-holes
- Three-piece kit provides taper, plug and bottoming taps
Cleveland #12-24 Hand Tap Kit
The Cleveland C54388 kit supplies three straight-flute hand taps cut for a #12-24 UNC thread. High-speed steel construction with a bright uncoated finish suits general-purpose threading in maintenance and light production work. Right-hand thread direction and a Class 3B fit cover standard fastener requirements. Four flutes per tap provide chip clearance during manual operation.
Replacing Worn Or Missing Taps
A three-piece set restores a complete threading sequence when individual taps are damaged or lost. The H3 thread limit matches common inch-series tolerances so the new taps interchange with existing tooling. The jump is worth it when a single broken tap halts a job and the 75 percent thread drill size of 4.45 mm is already established in the shop.
Sustained Hand Threading Performance
Straight flutes evacuate chips in short bursts rather than continuous flow, so frequent reversal clears the cut during deep holes. The 15/16 inch thread length and 2 3/8 inch overall length give sufficient reach for through-holes without excessive overhang. Uncoated high-speed steel resists wear in carbon steel and aluminium when cutting fluid is applied regularly.
Highlights
- Creates precise UNC threads with #12-24 sizing
- High-speed steel construction resists wear during repeated use
- Bright uncoated finish allows easy inspection of cutting edges
- Four-flute design clears chips efficiently in through-holes
- Three-piece kit provides taper, plug and bottoming taps
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Taps |
Questions about this item
What drill-bit diameter matches the 75 percent thread depth for the #12-24 tap?
Use a 4.45 mm drill bit to achieve the recommended 75 percent thread engagement for the #12-24 UNC thread.
How do I avoid breaking the tap when starting threads by hand?
Apply steady downward pressure while turning the tap wrench clockwise; forcing the tap at an angle is the most common cause of breakage.
When should I replace the H3-limit taps in this three-piece kit?
Replace them when the threads they cut no longer gauge to a 3B class of fit or when the cutting edges show visible wear or chipping.
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