OSG - 3/8-16 UNC, H4, 4 Flute, Bottoming Chamfer, Bright Finish, High Speed Steel Hand STI Tap - 3-3/8" OAL, 1-21/32" Thread Length, 0.275" Square Size, 2B Class of Fit, Series 126
Item #: 48904312
Brand: OSG
Model #: 12600800
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.
High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and non-ferrous materials.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 3/8-16 |
| Class of Fit | 2B |
| Thread Limit | H4 |
| 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 Size (Decimal Inch) | 0.2750 |
| Material | High Speed Steel |
| Series/List | 126 |
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