DORMER - 1-1/2 - 12 UNF 2B/3B 4 Flute Bright Finish High Speed Steel Straight Flute Standard Hand Tap - Taper, Right Hand Thread, 6-3/8" OAL, 1.87" Thread Length, H4 Limit, Oversize
Item #: 65656183
Brand: DORMER
Model #: 0388327
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) | 1-1/2 - 12 |
| Class of Fit | 2B/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 | UNF |
| Overall Length (Decimal Inch) | 6.37500 |
| Overall Length (Inch) | 6-3/8 |
| Oversize | No |
| Material Grade | M2 |
| Series/List | E071 |
| Thread Length (Decimal Inch) | 1.8700 |
| Shank Diameter (Decimal Inch) | 1.2330 |
| Square Size (Decimal Inch) | 0.9250 |
| Material Application | Alloy Steel; Aluminum Alloys; Brass; Carbon Steel; Cast Iron; Copper; Copper Alloys; Hardened Steel; Plastics; Steel; Structural Steel; Thermosetting Plastics |
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