- The VK8 grade carbide insert has a special sharpening
- Designed for hammer drilling
- The tool is made of 40X steel
- The drill with a double-start reinforced spiral improves the removal of drilling products and reduces the load on the rock drill
- The drill body has an increased cross-sectional area, which reduces the amplitude of its vibrations
- When working with drills longer than 400 mm, additional drilling with a shorter drill is necessary
- The shank must be lubricated
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