OSG - 7/8-14 UNF 3B 4 Flute Oxide Finish High Speed Steel Straight Flute Standard Hand Tap - Bottoming, Right Hand Thread, 4-11/16" OAL, 2-7/32" Thread Length, H4 Limit, Oversize
Item #: 78359874
Brand: OSG
Model #: 1135901
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.
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 | |
|---|---|
| Tap Type | Standard Hand Tap |
| Thread Size (Inch) | 7/8-14 |
| Class of Fit | 3B |
| Thread Limit | H4 |
| Number of Flutes | 4 |
| Chamfer | Bottoming |
| Material | High Speed Steel |
| Finish/Coating | Oxide |
| Thread Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Thread Standard | UNF |
| Overall Length (Inch) | 4-11/16 |
| Oversize | No |
| Thread Length (Inch) | 2-7/32 |
| Shank Diameter (Decimal Inch) | 0.6970 |
| Square Size (Decimal Inch) | 0.5230 |
| Material Application | Aluminum; Carbon Steel; Cast Iron |
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