OSG - 1/4-20 UNC 2B 4 Flute Nitride/Oxide Finish High Speed Steel Straight Flute Standard Hand Tap - Bottoming, Right Hand Thread, 2-1/2" OAL, 1" Thread Length, H5 Limit, Oversize
Item #: 64156458
Brand: OSG
Model #: 1600407
Exact Tooling IR#: 04
Features and Benefits
Bottoming chamfers are used for threading blind holes. They have 1 to 2 threads.
High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and nonferrous 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 | Standard Hand Tap |
| Thread Size (Inch) | 1/4-20 |
| Class of Fit | 2B |
| Thread Limit | H5 |
| Number of Flutes | 4 |
| Chamfer | Bottoming |
| Material | High Speed Steel |
| Finish/Coating | Nitride/Oxide |
| Thread Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Thread Standard | UNC |
| Overall Length (Inch) | 2-1/2 |
| Oversize | No |
| Series/List | 101C |
| Thread Length (Inch) | 1 |
| Shank Diameter (Decimal Inch) | 0.2550 |
| Square Size (Decimal Inch) | 0.1910 |
| Material Application | Aluminum; Cast Iron |
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