Walter-Prototyp - 7/8-9 UNC 2B 4 Flute Nitride/Oxide Finish Powdered Metal Straight Flute Machine Tap - Modified Bottoming, Right Hand Thread, 140mm OAL, 30mm Thread Length, Oversize
Item #: 53048419
Brand: Walter-Prototyp
Model #: 5603197
Exact Tooling IR#: 04
Features and Benefits
Modified bottoming is similar to bottoming, but the chamfer is longer and has more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Powdered metal cobalt high speed steel provides the highest performance of the powdered metals. It is used at extremely high temperatures and cutting speeds on highly abrasive materials.
Nitride/Oxide is used to prevent galling, welding and loading. It is commonly used on low carbon steels, stainless steels and nonferrous metals.
| Product Specifications | |
|---|---|
| Tap Type | Machine Tap |
| Thread Size (Inch) | 7/8-9 |
| Class of Fit | 2B |
| Number of Flutes | 4 |
| Chamfer | Modified Bottoming |
| Material | Powdered Metal |
| Finish/Coating | Nitride/Oxide |
| Thread Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Thread Standard | UNC |
| Overall Length (Decimal Inch) | 5.51180 |
| Overall Length (mm) | 140.00 |
| Oversize | No |
| Series/List | E22364 |
| Thread Length (Decimal Inch) | 1.1811 |
| Thread Length (mm) | 30.00 |
| Neck Length (mm) | 40.00 |
| Neck Length (Decimal Inch) | 1.5748 |
| Tapping Depth (mm) | 70 |
| Shank Diameter (Decimal Inch) | 0.7087 |
| Shank Diameter (mm) | 18.00 |
| Square Size (Decimal Inch) | 0.5709 |
| Square Size (mm) | 14.50 |
| Material Application | Aluminum; Fiber Reinforced Plastics; Graphite; Grey Cast Iron; Malleable Cast Iron; Non-Ferrous Metals; Plastics; Spheroidal Cast Iron; Vermicular Cast Iron |
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