Product include: 10 Pieces 12mm Diamond Hole Drill bits in Vacuum Brazed Technology Connection: With triangle shank for Hand Drill, Bench Drill and other machine need triangle shank Diameter 12mm, with triangle shank, Total height 65MM, Diamond height 8MM Application: Dry/wet drilling for porcelain tile marble stone masonry brick normal stone High quality Diamond Grain and Vacuum Brazed technology provide much longer working life,fast and smooth drilling ABOUT PRODUCTION:
SHDIATOOL 10 Pieces 12mm Vacuum Brazed Diamond Hole Bits with triangle shank

Specification:
Diameter 12mm, with triangle shank, Total height 65MM, Diamond height 8MM

Application :
Dry/wet drilling for porcelain tile marble stone masonry brick granite and all normal stones

Feature:
1.Fast and Smooth processing
2. Long lifetime
3. Less Chipping
4. Minimizing any breakage
5. Less loss of material
6. Less heat generation
7. Better finish quality
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