Cleveland
Cleveland C57012 Spiral Point Tap #0-80 UNF 2 Flutes HSS
Cuts #0-80 UNF threads in through-holes using a two-flute HSS spiral-point design that pushes chips forward
- TypeTaps
- #0-80 UNF thread cuts fine fasteners precisely
- Spiral-point design pushes chips forward for clean holes
- Two-flute HSS construction resists wear in repeated use
- 1 5/8 in overall length reaches deep threads easily
- Bright uncoated finish suits general-purpose tapping jobs
Spiral Point Tap for UNF Threads
The Cleveland C57012 Spiral Point Tap cuts internal UNF threads in a #0-80 size. It is made from high speed steel with a bright uncoated finish. The tool has a right-hand thread direction and two flutes. It suits general purpose threading tasks in a workshop environment.
Two-flute design aids chip removal
The spiral point geometry pushes chips ahead of the tap during through-hole operations. Two flutes provide space for chip evacuation while maintaining cutting strength. The H2 thread limit produces a class 2B fit. A 75 percent thread drill size of 1.20 mm is specified for preparation.
Verify thread size and hole depth
Confirm the workpiece requires a #0-80 UNF thread before ordering. The thread length is 5/16 in within an overall length of 1 5/8 in. Ensure the drilled hole matches the 1.20 mm diameter and that the hole depth accommodates the thread length. This tap is not suited for blind holes or larger thread specifications.
Highlights
- #0-80 UNF thread cuts fine fasteners precisely
- Spiral-point design pushes chips forward for clean holes
- Two-flute HSS construction resists wear in repeated use
- 1 5/8 in overall length reaches deep threads easily
- Bright uncoated finish suits general-purpose tapping jobs
Specifications
| Brand | CLEVELAND |
|---|---|
| Type | Taps |
Questions about this item
How often will the two-flute HSS spiral-point tap need resharpening or replacement when cutting #0-80 UNF threads?
Resharpening or replacement depends on the workpiece material, hole depth, and cutting speed used; the uncoated HSS tap will wear faster in abrasive alloys than in mild steel.
What is the first limiting factor when running this #0-80 UNF tap continuously in a power tapping head?
The 5/16 in thread length and 75 % thread drill size of 1.20 mm restrict chip clearance, so chip packing becomes the limiting factor before the H2 thread limit is reached.
How much heat and noise does the uncoated HSS tap generate during all-day production tapping of #0-80 UNF holes?
Heat and noise vary with spindle speed, feed rate, lubrication, and workpiece material; no fixed decibel or temperature figure is inherent to the tap itself.
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