Union Butterfield - 7/8-9 UNC, 4 Flute, Bottoming, Plug & Taper, Bright Finish, High Speed Steel Tap Set - Right Hand Cut, 4-11/16" OAL, 2-7/32" Thread Length, 2B; 3B Class of Fit, Series 1500
Item #: 05420419
Brand: Union Butterfield
Model #: 1011057
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.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
| Product Specifications | |
|---|---|
| Thread Size | 7/8-9 |
| Number of Flutes | 4 |
| Chamfer | Bottoming; Plug; Taper |
| Material | High Speed Steel |
| Finish/Coating | Bright |
| Thread Direction | Right Hand |
| Class of Fit | 2B; 3B |
| Thread Limit | H4 |
| Thread Length (Decimal Inch) | 2.2188 |
| Thread Length (Inch) | 2-7/32 |
| Overall Length (Decimal Inch) | 4.6875 |
| Overall Length (Inch) | 4-11/16 |
| Thread Standard | UNC |
| Series/List | 1500 |
| Number of Pieces | 3 |
| Case Type | Plastic Case |
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