ITEM: Diamond Brazed Core Drills For Extension Holes
Specificiation: Diameter: 9.7mm, Total length: 48mm, Workable length: 20mm
Diamond height: 4mm, Grit: #30/40, M14 Thread
Application: Dry/Wet drilling for Granite Marble Concrete Ceramics and other materials
The drill is used to load the extension hole of the rear bolt stone to make the interior of the rear bolt hole larger.
1. High quality diamond particles provide fast and smooth drilling;
2. Vacuum brazing technology provides efficient working performance;
3. The design of chip removal groove makes it easier to discharge stone powder during drilling, improves the service life;
4. Less debris generated during use, reducing material loss;
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