OSG - 7/8-14 UNF 4 Flute 2B Modified Bottoming Spiral Flute Tap - Powdered Metal, TiCN Finish, 125mm OAL, Right Hand Flute, Right Hand Thread, H6, Series 16505
Item #: 92886928
Brand: OSG
Model #: 1650505008
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.
Titanium carbonitride (TiCN) is harder and more wear resistant than TiN. It is commonly used on stainless steels, cast iron and aluminum alloys.
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) | 7/8-14 |
| Chamfer | Modified Bottoming |
| Class of Fit | 2B |
| Thread Limit | H6 |
| Number of Flutes | 4 |
| Material | Powdered Metal |
| Finish/Coating | TiCN |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (mm) | 125.00 |
| Helix Angle | 45 |
| Thread Standard | UNF |
| Material Grade | PMT15 |
| Thread Length (mm) | 28.20 |
| Flute Type | Fast Spiral |
| Series/List | 16505 |
| Tapping Depth (mm) | 67.00 |
| Shank Diameter (Decimal Inch) | 0.9870 |
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