Kennametal - 7/16-20 UNF 3 Flute Plug Spiral Flute Tap - Powdered Metal, Nitride Finish, 80.3mm OAL, Left Hand Flute, Right Hand Thread, H3, Series T660
Item #: 68484963
Brand: Kennametal
Model #: 5565571
Exact Tooling IR#: 04
Features and Benefits
Plug chamfers are the most commonly used chamfer and are designed for efficiently threading through and blind holes. They have 3 to 5 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.
Nitride is a thin, hard-shell coating that supports surface hardness of the tool. It is commonly used where abrasive or wearing conditions exist.
Slow Spiral Flutes with 8-20 degree angles are used for tough materials like high nickel alloys, titanium and some series of stainless steels.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 7/16-20 |
| Chamfer | Plug |
| Thread Limit | H3 |
| Number of Flutes | 3 |
| Material | Powdered Metal |
| Finish/Coating | Nitride |
| Thread Direction | Right Hand |
| Flute Direction | Left Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 3.1600 |
| Overall Length (mm) | 80.30 |
| Helix Angle | 15 |
| Thread Standard | UNF |
| Oversize | No |
| Thread Length (Decimal Inch) | 0.7100 |
| Thread Length (mm) | 18.00 |
| Flute Type | Slow Spiral |
| Series/List | T660 |
| Neck Length (Decimal Inch) | 0.7800 |
| Tapping Depth (Decimal Inch) | 1.4900 |
| Tapping Depth (mm) | 38.00 |
| Shank Diameter (Decimal Inch) | 0.3230 |
| Shank Diameter (mm) | 8.20 |
| Shank Length (Decimal Inch) | 1.6700 |
| Shank Length (mm) | 43 |
| Square Length (Inch) | 0.4100 |
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