Reiff & Nestor - 7/8-9 UNC 4 Flute H4 Bright Finish High Speed Steel Hand Extension Tap - Plug Chamfer, 8" OAL, 3B Class of Fit
Item #: 04375853
Brand: Reiff & Nestor
Model #: 45761
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.
Hand taps are used to cut threads in blind or through holes. They are used by hand or in general purpose machine operations.
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 | 7/8-9 |
| Overall Length (Inch) | 8 |
| Overall Length (Decimal Inch) | 8.000 |
| Chamfer | Plug |
| Thread Limit | H4 |
| Class of Fit | 3B |
| Number of Flutes | 4 |
| Tap Type | Hand |
| Finish/Coating | Bright |
| Flute Direction | Right Hand |
| Thread Standard | UNC |
| Material | High Speed Steel |
| Shank Diameter (Decimal Inch) | 0.6970 |
| Shank Size Type | Reduced |
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