DORMER - #5-40 UNC 3 Flute 3B Modified Bottoming Spiral Flute Tap - Powdered Metal, Oxide Finish, 1-5/16" OAL, Right Hand Flute, Right Hand Thread, H2, Series E028
Item #: 59055012
Brand: DORMER
Model #: 0581650
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.
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.
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) | #5-40 |
| Chamfer | Modified Bottoming |
| Class of Fit | 3B |
| Thread Limit | H2 |
| Number of Flutes | 3 |
| Material | Powdered Metal |
| Finish/Coating | Oxide |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Decimal Inch) | 1.3125 |
| Overall Length (Inch) | 1-5/16 |
| Helix Angle | 48 |
| Thread Standard | UNC |
| Oversize | No |
| Thread Length (Decimal Inch) | 0.7404 |
| Flute Type | Fast Spiral |
| Series/List | E028 |
| Tapping Depth (Decimal Inch) | 0.7404 |
| Shank Diameter (Decimal Inch) | 0.1410 |
| Material Application | Alloy Steel; Carbon Steel; Free Machining Stainless Steel; Hardened Steel; Stainless Steel; Steel; Structural Steel |
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