Cleveland
Cleveland 55382 Spiral Point Tap 10-24 UNC #25 75% H3 2-flute
Creates internal UNC threads in #10-24 holes using a #25 drill size with H3 tolerance and 75% thread depth
- TypeTaps
- Spiral point clears chips forward for smooth tapping
- #10-24 UNC thread fits standard coarse-pitch holes
- 75 % thread depth with #25 drill gives strong engagement
- H3 limit ensures class 2B fit for reliable assembly
- Two-flute high-speed steel with TiCN resists wear
Cleveland 55382 Spiral Point Tap
The Cleveland 55382 is a spiral point tap designed for creating internal threads in through-hole applications. It targets machinists and maintenance technicians who need reliable thread cutting in metal components. The right-hand cutting direction suits standard fastening requirements across automotive and industrial repair tasks.
High-speed steel construction with TiCN coating
This tap requires a matching #25 drill bit to prepare the 75 percent thread hole before threading. The spiral point design pushes chips ahead of the cut, clearing the flutes and reducing torque during operation. The TiCN coating increases surface hardness and wear resistance, extending tool life in steel and alloy workpieces.
Replaces worn or damaged 10-24 UNC taps
It upgrades from uncooled high-speed steel taps where premature wear slows production or damages parts. The H3 thread limit ensures a class 2B fit for standard nut and bolt assemblies. The jump is worthwhile when thread quality and tool longevity directly affect throughput or rework costs.
Highlights
- Spiral point clears chips forward for smooth tapping
- #10-24 UNC thread fits standard coarse-pitch holes
- 75 % thread depth with #25 drill gives strong engagement
- H3 limit ensures class 2B fit for reliable assembly
- Two-flute high-speed steel with TiCN resists wear
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Taps |
Questions about this item
How deep can the 2-flute H3 tap cut in a single pass before chip packing becomes the limiting factor?
The tap has a thread length of 7/8 in, so the practical depth per pass is limited by that flute length rather than by a stated cycle rating.
How much heat builds up in the TiCN-coated high-speed steel body when the tap runs continuously in a power driver?
The TiCN coating on the high-speed steel reduces friction and heat during extended tapping, but no maximum operating temperature or duty-cycle limit is published for this tool.
Which drill bit must I already own to prepare the correct 75 % thread hole for this #25 tap?
A #25 drill bit is required to produce the recommended 75 percent thread engagement before using this 10-24 UNC tap.
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