1.Application: Dry/wet drilling for porcelain tile marble stone masonry brick normal stone 2.Better Performance: High quality Diamond Grain and Vacuum Brazed technology provide much longer working life,fast and smooth drilling 3.Durable and Efficient:Each dry diamond bit is embedded with wax that will melt during dry drilling to cool the cutting surface; Water can act as additional cooling to prolong the worklife of bit 4. What you got: 5pcs Diameter 6mm(1/4"), with triangle shank, Total height 65MM, Diamond height 10MM 5. Machine: Connection With triangle shank for Hand Drill, Bench Drill and other machine need triangle shank ABOUT PRODUCTION:
SHDIATOOL 5 Pieces 1/4-Inch Vacuum Brazed Diamond Hole Bits with triangle shank

Quantity:
5-Piece 6mm Diamond Drill bits:

Specification:
Diameter 6mm, with triangle shank, Total height 65MM, Diamond height 10MM

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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Operation Tips for Vacuum Brazed Diamond Drill core bits
1.Do not use these drill bits with hammer mode
2.Only fit these drill bits on a cord drill, not cordless drill(no enough power)
3.Only for tile drilling not recommend for the material behind the tile
4.For horizontal drilling,just give a gentle pressure
For vertical drilling, the weight of the machine will give sufficient pressure
5.Start drilling as per following instructions:
1) Place the drill at a 45 degree angle
2) Drilling till the hole start to form
3) Bring the drill up into upright position
4) Continue to drill and swaying the machine along a circle