NT TOOL CORPORATION
NT Tool Corporation ST Series Chamfering Drill

Manufacturer: NT TOOL CORPORATION
Model: ST Series
Feature
- For chamfering and deburring.
- For soft and ductile material(Aluminium). Regrinding is possible.
Dimensions

| Model | a Angle | Min pilot hole dia. | Max chamfering dia. | Type | d h7 | D | ℓ | ℓ 2 | L |
|---|---|---|---|---|---|---|---|---|---|
| 04 -ST4 -90° | 90° | 2 | 4 | 1 | 4 | — | — | — | 50 |
| 06 -ST6 -90° | 90° | 3 | 6 | 1 | 6 | — | — | — | 50 |
| 08 -ST8 -90° | 90° | 4 | 8 | 1 | 8 | — | — | — | 50 |
| 09 -ST6 -90° | 90° | 4 | 9 | 2 | 6 | 10 | 42 | 38 | 55 |
| 14 -ST8 -90° | 90° | 6 | 14 | 2 | 8 | 15 | 50 | 46 | 70 |
| 18 -ST10 -90° | 90° | 8 | 18 | 2 | 10 | 20 | 70 | 66 | 100 |
| 23 -ST12 -90° | 90° | 10 | 23 | 2 | 12 | 25 | 73 | 69 | 110 |
| 28 -ST12 -90° | 90° | 12 | 28 | 2 | 12 | 30 | 70 | 66 | 120 |
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