DORMER - 7/8-9 UNC, 3 Flute, Oxide Finish, Powdered Metal Spiral Point Tap - Plug Chamfer, Right Hand Thread, 4-11/16" OAL, 1.1614" Thread Length, 0.697" Shank Diam, 3B Class of Fit, Series E026
Item #: 91762567
Brand: DORMER
Model #: 0581483
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.
Powdered Metal (PM) is tougher and more cost effective than solid carbide. It is commonly used on highly abrasive materials including high silicon aluminums.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 7/8-9 |
| Number of Flutes | 3 |
| Chamfer | Plug |
| Class of Fit | 3B |
| Thread Limit | H4 |
| Finish/Coating | Oxide |
| Material | Powdered Metal |
| Through Coolant | NonThrough Coolant |
| Thread Direction | Right Hand |
| Overall Length (Decimal Inch) | 4.6875 |
| Overall Length (Inch) | 4-11/16 |
| Oversize | No |
| Thread Standard | UNC |
| Thread Length (Decimal Inch) | 1.1614 |
| Series/List | E026 |
| Shank Diameter (Decimal Inch) | 0.6970 |
| Square Size (Decimal Inch) | 0.5230 |
| Material Application | Alloy Steel; Carbon Steel; Cast Iron; Free Machining Stainless Steel; Hardened Steel; Stainless Steel; Steel; Structural Steel |
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