OSG - #4-40 UNC, H2, Semi-Bottoming Chamfer, V Finish, High Speed Steel Thread Forming STI Taps - 2.4803" OAL, 0.141" Shank Diam, 11/16" Thread Length, 0.11" Square Size
Item #: 49209364
Brand: OSG
Model #: 1626000308
Exact Tooling IR#: 04
Features and Benefits
Semi-bottoming chamfers are used for blind holes. They have 3 to 3-1/2 threads.
V is a multi-layered TiCN coating, It is commonly used on carbon, mild steels, aluminum castings and cast iron. V is a proprietary coating exclusive to OSG Tap and Die, Inc.
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) | #4-40 |
| Class of Fit | 3B |
| Thread Limit | H2 |
| Chamfer | Semi-Bottoming |
| Finish/Coating | V |
| Overall Length (Inch) | 2.4803 |
| Thread Standard | UNC |
| Thread Length (Inch) | 11/16 |
| Shank Diameter (Decimal Inch) | 0.1410 |
| Square Size (Decimal Inch) | 0.1100 |
| Material | High Speed Steel |
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