OSG - 1/4-20 UNC 3 Flute 3B Plug Spiral Flute Tap - High Speed Steel, Oxide Finish, 2-1/2" OAL, Right Hand Flute, Right Hand Thread, H3, Series 107
Item #: 64159031
Brand: OSG
Model #: 1430001
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.
High Speed Steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
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 | Plug |
| Class of Fit | 3B |
| Thread Limit | H3 |
| Number of Flutes | 3 |
| Material | High Speed Steel |
| Finish/Coating | Oxide |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Inch) | 2-1/2 |
| Helix Angle | 50 |
| Thread Standard | UNC |
| Oversize | No |
| Thread Length (Inch) | 1 |
| Flute Type | Fast Spiral |
| Series/List | 107 |
| Shank Diameter (Decimal Inch) | 0.2550 |
| Material Application | Aluminum; Carbon Steel; Cast Iron; Hardened Steel |
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