Union Butterfield - 7/16-20 UNF 2B Modified Bottoming Thread Forming Tap - Powdered Metal High Speed Steel, TiN Finish, 3.937" OAL, 0.866" Thread Length, Right Hand Thread, Series 1681AP
Item #: 66376161
Brand: Union Butterfield
Model #: 46204952
Exact Tooling IR#: 04
Features and Benefits
Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading to the bottom of blind holes and have 2 to 2-1/2 threads.
Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials. The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.
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) | 7/16-20 |
| Class of Fit | 2B |
| Chamfer | Modified Bottoming |
| Finish/Coating | TiN |
| Material | Powdered Metal High Speed Steel |
| Overall Length (Decimal Inch) | 3.9370 |
| Thread Standard | UNF |
| Thread Length (Decimal Inch) | 0.8660 |
| Series/List | 1681AP |
| Thread Direction | Right Hand |
| Shank Diameter (Decimal Inch) | 0.3230 |
| Material Application | Alloy Steel; Aluminum; Aluminum Alloys; Brass; Carbon Steel; Copper; Copper Alloys; Free Machining Stainless Steel; Hardened Steel; Magnesium; Nickel; Stainless Steel; Steel; Structural Steel; Titanium |
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