Union Butterfield - 5/16-18 UNC, 3B Class of Fit, 4 Flute Plug Hand Pulley Tap - High Speed Steel, Bright Finish, Right Hand Flute, H3 Thread Limit, 6" OAL, 0.318" Shank Diam
Item #: 65697344
Brand: Union Butterfield
Model #: 1010381
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 non-ferrous materials.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 5/16-18 |
| Class of Fit | 3B |
| Thread Limit | H3 |
| Number of Flutes | 4 |
| Chamfer | Plug |
| Overall Length (Inch) | 6 |
| Tap Type | Hand |
| Finish/Coating | Bright |
| Thread Standard | UNC |
| Flute Direction | Right Hand |
| Thread Length (Inch) | 1-1/8 |
| Shank Diameter (Decimal Inch) | 0.3180 |
| Square Length (Inch) | 3/8 |
| Square Size (Decimal Inch) | 0.2380 |
| Material | High Speed Steel |
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