Union Butterfield - 3/8-16 UNC, H3, 4 Flute, Bottoming Chamfer, Bright Finish, Hand STI Tap - 3-3/8" OAL, 1-21/32" Thread Length, 7/16" Square Length, 0.275" Square Size, 3B Class of Fit, Series 1572
Item #: 66380668
Brand: Union Butterfield
Model #: 1010468
Exact Tooling IR#: 04
Features and Benefits
Bottoming chamfers are used for threading blind holes to the bottom. They have 1 to 2 threads.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 3/8-16 |
| Class of Fit | 3B |
| Thread Limit | H3 |
| Number of Flutes | 4 |
| Chamfer | Bottoming |
| Finish/Coating | Bright |
| Overall Length (Inch) | 3-3/8 |
| Thread Standard | UNC |
| Thread Length (Inch) | 1-21/32 |
| Shank Diameter (Decimal Inch) | 0.3670 |
| Square Length (Inch) | 7/16 |
| Square Size (Decimal Inch) | 0.2750 |
| Material Application | Alloy Steel; Aluminum; Aluminum Alloys; Brass; Carbon Steel; Copper; Copper Alloys; Free Machining Stainless Steel; Magnesium; Stainless Steel; Steel; Structural Steel |
| Series/List | 1572 |
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