Heli-Coil - M12x1.50 Metric Fine, D4, 4 Flute, Bottoming Chamfer, Bright Finish, High Speed Steel Hand STI Tap - 91.28mm OAL, 42.07mm Thread Length, 12.7mm Square Length, 8.18mm Square Size, 5H Class of Fit
Item #: 78058435
Brand: Heli-Coil
Model #: 4977-12
Exact Tooling IR#: 04
Features and Benefits
Bottoming chamfers are used for threading blind holes to the bottom. They have 1 to 2 threads.
Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plastic.
High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and non-ferrous materials.
| Product Specifications | |
|---|---|
| Thread Size (mm) | M12x1.50 |
| Class of Fit | 5H |
| Thread Limit | D4 |
| Number of Flutes | 4 |
| Chamfer | Bottoming |
| Finish/Coating | Bright |
| Overall Length (mm) | 91.28 |
| Thread Standard | Metric Fine |
| Thread Length (mm) | 42.07 |
| Shank Diameter (mm) | 10.90 |
| Square Length (mm) | 12.70 |
| Square Size (mm) | 8.18 |
| Material | High Speed Steel |
| Material Application | Aluminum; Magnesium; Mild Steel; Stainless Steel |
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