OSG - 7/8-9 UNC 3B 4 Flute Bright Finish High Speed Steel Straight Flute Standard Hand Tap - Bottoming, Left Hand Thread, 4-11/16" OAL, 2-7/32" Thread Length, H4 Limit, Oversize
Item #: 68552686
Brand: OSG
Model #: 1663800
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.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
| Product Specifications | |
|---|---|
| Tap Type | Standard Hand Tap |
| Thread Size (Inch) | 7/8-9 |
| Class of Fit | 3B |
| Thread Limit | H4 |
| Number of Flutes | 4 |
| Chamfer | Bottoming |
| Material | High Speed Steel |
| Finish/Coating | Bright |
| Thread Direction | Left Hand |
| Through Coolant | NonThrough Coolant |
| Thread Standard | UNC |
| Overall Length (Inch) | 4-11/16 |
| Oversize | No |
| Series/List | 101L |
| Thread Length (Inch) | 2-7/32 |
| Shank Diameter (Decimal Inch) | 0.6970 |
| Square Size (Decimal Inch) | 0.5230 |
| Material Application | Aluminum; Cast Aluminum; Cast Iron; High Carbon Steel; Low Carbon Steel; Medium Carbon Steel |
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