MITSUBISHI Violet High Precision Drill for Spot Boring Short 4mm

[Features]
●Highly efficient counterbore processing is possible with a new blade shape.
● Due to the tip shape that excels in chip breaking, there is no need to take measures against wrapping around the tool.
● High-efficiency machining equivalent to conventional carbide end mills for spot boring is possible.

[Use]
●Work materials: carbon steel, alloy steel, stainless steel, cast iron, light alloy.

【specification】
-Blade diameter (mm): 4
- Groove length (mm): 21
- Total length (mm): 70
-Shank diameter (mm): 4
-Surface treatment: Violet coating (V)
● Effective processing depth: 1 to 1.5D (Blade diameter x 1 to 1.5 times)

[Specification 2]
- X thinning tip: 118 degrees + 180 degrees

[Material/Finish]
High-grade high-alloy Kosoku steel (HG HSS)

[Set contents/accessories]
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【Note】
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