Accupro - #4-40 2 Flute 2/2B/3B Bottoming Spiral Flute Tap - Vanadium High Speed Steel, Oxide Finish, 1-7/8" OAL, Right Hand Flute, Right Hand Thread, H2
Item #: 38013900
Brand: Accupro
Exact Tooling IR#: 04
Features and Benefits
Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads.
Vanadium High Speed Steel (HSSE) is made of high speed steel, carbon, vanadium carbide and other alloys to increase abrasive wear resistance and toughness. It is commonly used in general applications on stainless steels and 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.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | #4-40 |
| Chamfer | Bottoming |
| Class of Fit | 2/2B/3B |
| Thread Limit | H2 |
| Number of Flutes | 2 |
| Material | Vanadium High Speed Steel |
| Finish/Coating | Oxide |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Inch) | 1-7/8 |
| Helix Angle | 33 |
| Oversize | No |
| Thread Length (Decimal Inch) | 0.2360 |
| Flute Type | Medium Spiral |
| Neck Length (Inch) | 9/16 |
| Shank Diameter (Decimal Inch) | 0.1410 |
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