Regal Cutting Tools - 1/4-28 UNF 3B 4 Flute Bright Finish High Speed Steel Straight Flute Standard Hand Tap - Plug, Right Hand Thread, 2-1/2" OAL, 1" Thread Length, H3 Limit, Oversize
Item #: 58882697
Brand: Regal Cutting Tools
Model #: 008353AS
Exact Tooling IR#: 04
Features and Benefits
Plug chamfers are the most commonly used chamfer and designed for efficiently threading through and blind holes. They have 3 to 5 threads.
High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
| Product Specifications | |
|---|---|
| Tap Type | Standard Hand Tap |
| Thread Size (Inch) | 1/4-28 |
| Class of Fit | 3B |
| Thread Limit | H3 |
| Number of Flutes | 4 |
| Chamfer | Plug |
| Material | High Speed Steel |
| Finish/Coating | Bright |
| Thread Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Thread Standard | UNF |
| Overall Length (Decimal Inch) | 2.50000 |
| Overall Length (Inch) | 2-1/2 |
| Oversize | No |
| Thread Length (Decimal Inch) | 1.0000 |
| Thread Length (Inch) | 1 |
| Shank Diameter (Decimal Inch) | 0.2550 |
| Square Length (Inch) | 5/16 |
| Square Size (Decimal Inch) | 0.1910 |
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