OSG - #4-40 UNC, H2, 2 Flutes, Plug Chamfer, Oxide Finish, Vanadium High Speed Steel Spiral Point STI Tap - 1-7/8" OAL, 0.141" Shank Diam, 9/16" Thread Length, 0.11" Square Size, Series 301
Item #: 64180789
Brand: OSG
Model #: 1712501
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.
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.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | #4-40 |
| Thread Limit | H2 |
| Number of Flutes | 2 |
| Chamfer | Plug |
| Finish/Coating | Oxide |
| Overall Length (Inch) | 1-7/8 |
| Thread Standard | UNC |
| Material | Vanadium High Speed Steel |
| Thread Length (Inch) | 9/16 |
| Shank Diameter (Decimal Inch) | 0.1410 |
| Square Size (Decimal Inch) | 0.1100 |
| Series/List | 301 |
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