Balax - 1/4-28 UNF 2B H7 Thread Limit Bottoming Thread Forming Tap - Powdered Metal High Speed Steel, Bal-Plus Finish, 2-1/2" OAL, 0.79" Thread Length, Right Hand Thread, Series BXDIECAST
Item #: 92509629
Brand: Balax
Model #: 12992-91L
Exact Tooling IR#: 04
Features and Benefits
Bottoming chamfers are used for threading blind holes to the bottom. They have 1 to 2 threads.
Bal-Plus is a thin, gold-colored coating that provides resistance to galling. It is commonly used on aluminum and nonferrous metals. Bal-Plus is a proprietary coating exclusive to Balax, Inc.
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) | 1/4-28 |
| Class of Fit | 2B |
| Thread Limit | H7 |
| Chamfer | Bottoming |
| Finish/Coating | Bal-Plus |
| Material | Powdered Metal High Speed Steel |
| Overall Length (Inch) | 2-1/2 |
| Thread Standard | UNF |
| Thread Length (Decimal Inch) | 0.7900 |
| Series/List | BXDIECAST |
| Neck Length (Inch) | 1 |
| Thread Direction | Right Hand |
| Shank Diameter (Decimal Inch) | 0.2550 |
| Square Length (Inch) | 5/16 |
| Material Application | Aluminum |
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