Iscar - 5/16-18 UNC 3 Flute 2B Modified Bottoming Spiral Flute Tap - Cobalt, Oxide Finish, 90mm OAL, Right Hand Flute, Right Hand Thread, Series TPS UNC
Item #: 46689139
Brand: Iscar
Model #: 4446123
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.
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Spiral flutes are constructed of a high flute angle to remove chips more easily.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 5/16-18 |
| Chamfer | Modified Bottoming |
| Class of Fit | 2B |
| Number of Flutes | 3 |
| Material | Cobalt |
| Finish/Coating | Oxide |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 3.5430 |
| Overall Length (mm) | 90.00 |
| Thread Standard | UNC |
| Material Grade | M35 |
| Thread Length (Decimal Inch) | 0.5510 |
| Thread Length (mm) | 14.00 |
| Flute Type | Spiral |
| Series/List | TPS UNC |
| Neck Length (Decimal Inch) | 0.8290 |
| Tapping Depth (Decimal Inch) | 0.5510 |
| Tapping Depth (mm) | 14.00 |
| Shank Diameter (Decimal Inch) | 0.3150 |
| Shank Diameter (mm) | 6.20 |
| Shank Length (Decimal Inch) | 2.1630 |
| Shank Length (mm) | 55 |
| Material Application | Aluminum Alloy; Cast Iron; Hardened Steel; Low Alloy Steel; Stainless Steel; Steel |