OSG - 1/2-13 UNC 3 Flute 3B Bottoming Spiral Flute Tap - High Speed Steel, TiCN Finish, 3-3/8" OAL, Right Hand Flute, Right Hand Thread, H3, Series 107
Item #: 71301121
Brand: OSG
Model #: 1432108
Exact Tooling IR#: 04
Features and Benefits
Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads.
High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Titanium carbonitride (TiCN) is harder and more wear resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 1/2-13 |
| Chamfer | Bottoming |
| Class of Fit | 3B |
| Thread Limit | H3 |
| Number of Flutes | 3 |
| Material | High Speed Steel |
| Finish/Coating | TiCN |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Inch) | 3-3/8 |
| Helix Angle | 50 |
| Thread Standard | UNC |
| Oversize | No |
| Thread Length (Inch) | 1-21/32 |
| Flute Type | Fast Spiral |
| Series/List | 107 |
| Shank Diameter (Decimal Inch) | 0.3670 |
| Material Application | Aluminum; Carbon Steel; Cast Iron; Hardened Steel |
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