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[Features]
· With the spiral groove, the rake angle is more acute than a straight groove, resulting in considerably improved cutting performance.
· Cobalt HSS has been used to provide excellent wear and heat resistance and an enduring sharpness.
· One tool can be used for various types of machining including drilling, expanding pilot holes, repairing holes, and chamfering.
· Supports various applications and materials such as thin steel plate, wood screw pilot holes, pipe bent surfaces, etc.
· The tip grips the surface well and center punching is not necessary.
[Applications]
· Work materials: Steel plate (up to 2 mm), stainless steel plate (up to 1.2 mm), wood, plastic (up to 2 mm).
[Material]
· Cobalt HSS
Japanese Only
| Number of Steps(level) | 9 | Drilling Size(mm) | 5、7、9、11、13、15、17、19、21 | Shaft Diameter | 6.35 |
|---|---|---|---|---|---|
| Stepped Width (a)(mm) | 4 | Coating | Non-coating | Trusco Code | 441-5442 |
| JAN Code | 4963202089142 |

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