Union Butterfield - #8-32 UNC 2 Flute H3 Bright Finish High Speed Steel Spiral Point Extension Tap - Plug Chamfer, 4" OAL, 3/4" Thread Length, 3B Class of Fit, Series 1534NE
Item #: 66381609
Brand: Union Butterfield
Model #: 1020008
Exact Tooling IR#: 04
Features and Benefits
Plug chamfers are the most commonly used chamfer and are designed for efficiently threading through and blind holes. They have 3 to 5 threads.
Spiral point taps are used for tapping through holes. They have a flute geometry that shoots chips ahead of the cutting action to reduce loading and clogging within the flute.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
| Product Specifications | |
|---|---|
| Thread Size | #8-32 |
| Overall Length (Inch) | 4 |
| Overall Length (Decimal Inch) | 4.000 |
| Chamfer | Plug |
| Thread Limit | H3 |
| Class of Fit | 3B |
| Number of Flutes | 2 |
| Tap Type | Spiral Point |
| Finish/Coating | Bright |
| Flute Direction | Right Hand |
| Thread Standard | UNC |
| Material | High Speed Steel |
| Thread Length (Decimal) | 0.7500 |
| Thread Length (Inch) | 3/4 |
| Thread Direction | Right Hand |
| Shank Diameter (Decimal Inch) | 0.1680 |
| Square Length (Inch) | 1/4 |
| Square Size (Decimal Inch) | 0.1310 |
| Flute Direction | Right Hand |
| Series/List | 1534NE |
| Shank Size Type | Regular |
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