OSG - 7/8-9 UNC 4 Flute Semi-Bottoming Spiral Flute Tap - Powdered Metal, HR Finish, 5.51" OAL, Right Hand Flute, Right Hand Thread, H3, Series 335
Item #: 49213192
Brand: OSG
Model #: 3350078093
Exact Tooling IR#: 04
Features and Benefits
Semi-bottoming chamfers are used for blind holes. They have 3 to 3-1/2 threads.
Powdered Metal (PM) is tougher and more cost effective than solid carbide. It is commonly used on highly abrasive materials including high silicon aluminums.
HR coating offers superior wear resistance for significantly longer tool life.
Spiral flutes are constructed of a high flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 7/8-9 |
| Chamfer | Semi-Bottoming |
| Thread Limit | H3 |
| Number of Flutes | 4 |
| Material | Powdered Metal |
| Finish/Coating | HR |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 5.5100 |
| Helix Angle | 11 |
| Helix Angle Range | 15 to 45 |
| Thread Standard | UNC |
| Oversize | No |
| Thread Length (Decimal Inch) | 1.3340 |
| Flute Type | Spiral |
| Series/List | 335 |
| Shank Diameter (Decimal Inch) | 0.6970 |
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