Sandvik Coromant - 5/16-18 UNC 3 Flute 3B Modified Bottoming Spiral Flute Tap - Powdered Metal, Steam Finish, 69.7mm OAL, Right Hand Flute, Right Hand Thread, Series CoroTap 300
Item #: 49383946
Brand: Sandvik Coromant
Model #: 6182968
Exact Tooling IR#: 04
Features and Benefits
Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 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.
Fast Spiral Flutes with 40-53 degree angles are suitable for ductile materials like aluminum and copper; medium to high carbon steels and free machining stainless steels.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 5/16-18 |
| Chamfer | Modified Bottoming |
| Class of Fit | 3B |
| Number of Flutes | 3 |
| Material | Powdered Metal |
| Finish/Coating | Steam |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 2.7441 |
| Overall Length (mm) | 69.70 |
| Helix Angle | 48 |
| Thread Standard | UNC |
| Thread Length (Decimal Inch) | 0.4567 |
| Thread Length (mm) | 11.60 |
| Flute Type | Fast Spiral |
| Series/List | CoroTap 300 |
| Neck Length (Decimal Inch) | 0.8520 |
| Tapping Depth (Decimal Inch) | 1.2992 |
| Tapping Depth (mm) | 33.00 |
| Shank Diameter (Decimal Inch) | 0.3181 |
| Shank Diameter (mm) | 8.08 |
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