Vermont Tap & Die - 1/4-20 UNC 2/3B 4 Flute Bright Finish High Speed Steel Straight Flute Standard Hand Tap - Plug, Left Hand Thread, 2-1/2" OAL, 1" Thread Length, H3 Limit, Oversize
Item #: 33159948
Brand: Vermont Tap & Die
Model #: 317516
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) | 1/4-20 |
| Class of Fit | 2/3B |
| Thread Limit | H3 |
| Number of Flutes | 4 |
| Chamfer | Plug |
| Material | High Speed Steel |
| Finish/Coating | Bright |
| Thread Direction | Left Hand |
| Through Coolant | NonThrough Coolant |
| Thread Standard | UNC |
| Overall Length (Decimal Inch) | 2.50000 |
| Overall Length (Inch) | 2-1/2 |
| Overall Length (mm) | 63.50 |
| Oversize | No |
| Series/List | 3105L |
| Thread Length (Decimal Inch) | 0.6300 |
| Thread Length (Inch) | 1 |
| Thread Length (mm) | 25.40 |
| Shank Diameter (Decimal Inch) | 0.2550 |
| Shank Diameter (mm) | 6.48 |
| Square Length (Inch) | 5/16 |
| Square Size (Decimal Inch) | 0.1910 |
| Square Size (mm) | 4.85 |
| Material Application | Alloy Steel; Aluminum Alloys; Carbon Steel; Cast Iron; Copper Alloys; Graphites & Carbons; High Temperature Alloys; Magnesium; Plastics; Stainless Steel; Titanium; Tool Steel; Zinc Alloys |
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