Regal Cutting Tools - 1/4-28 UNF, 4 Flute, Bottoming, Plug & Taper, Uncoated, Uncoated Finish, High Speed Steel Tap Set - 2-1/2" OAL, 1" Thread Length, 2B/3B Class of Fit
Item #: 66119199
Brand: Regal Cutting Tools
Model #: 008977AS
Exact Tooling IR#: 04
Features and Benefits
Bottoming chamfers have 1 to 2 threads. Plug chamfers have 3 to 5 threads. Taper chamfers have 7 to 10 threads and are typically used as a starter tap. They all can be used for threading blind holes.
High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and non-ferrous materials.
| Product Specifications | |
|---|---|
| Thread Size | 1/4-28 |
| Number of Flutes | 4 |
| Chamfer | Bottoming; Plug; Taper |
| Material | High Speed Steel |
| Finish/Coating | Uncoated |
| Class of Fit | 2B/3B |
| Thread Limit | H2 |
| Thread Length (Decimal Inch) | 1.0000 |
| Thread Length (Inch) | 1 |
| Overall Length (Decimal Inch) | 2.5000 |
| Overall Length (Inch) | 2-1/2 |
| Thread Standard | UNF |
| Number of Pieces | 3 |
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