OSG - 1/4-20 UNC 3 Flute 3B Bottoming Spiral Flute Tap - High Speed Steel, TiN Finish, 2-1/2" OAL, Right Hand Flute, Right Hand Thread, H3, Series 107
Item #: 41228420
Brand: OSG
Model #: 1430105
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 Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
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) | 1/4-20 |
| Chamfer | Bottoming |
| Class of Fit | 3B |
| Thread Limit | H3 |
| Number of Flutes | 3 |
| Material | High Speed Steel |
| Finish/Coating | TiN |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Inch) | 2-1/2 |
| Helix Angle | 50 |
| Thread Standard | UNC |
| Thread Length (Decimal Inch) | 1.0000 |
| Thread Length (Inch) | 1 |
| Flute Type | Fast Spiral |
| Series/List | 107 |
| Shank Diameter (Decimal Inch) | 0.2550 |
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