Regal Cutting Tools - 1-8 UNC 3B 4 Flute Bright Finish High Speed Steel Straight Flute Standard Hand Tap - Taper, Right Hand Thread, 5-1/8" OAL, 2-1/2" Thread Length, H4 Limit, Oversize
Item #: 66115437
Brand: Regal Cutting Tools
Model #: 008629AS
Exact Tooling IR#: 04
Features and Benefits
Taper chamfers also known as starter taps have a longer chamfer and require a less aggressive cutting action. They have 7 to 10 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) | 1-8 |
| Class of Fit | 3B |
| Thread Limit | H4 |
| Number of Flutes | 4 |
| Chamfer | Taper |
| Material | High Speed Steel |
| Finish/Coating | Bright |
| Thread Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Thread Standard | UNC |
| Overall Length (Decimal Inch) | 5.12500 |
| Overall Length (Inch) | 5-1/8 |
| Oversize | No |
| Thread Length (Decimal Inch) | 2.5000 |
| Thread Length (Inch) | 2-1/2 |
| Shank Diameter (Decimal Inch) | 0.8000 |
| Square Length (Inch) | 13/16 |
| Square Size (Decimal Inch) | 0.6000 |
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