1. What you got: 2pcs Diameter 8mm/5/16inch, 5/8-11 connection, Total height 62MM, Max working depth 35mm, Diamond height 10MM 2. Appcation: Dry/wet drilling for porcelain tile marble stone masonry brick normal stone 3. Better Performance: High quality Diamond Grain provide fast and smooth drilling 4. Durablity: The inside of the drill bit is filled with dense cooling wax for cooling the diamond bits 5. Machine: With 5/8-Inch-11 Thread, Used on angle grinder,very easy to operate Notice: if you want to fit our hole saws on drills or other machine, you need an adapter, such as SDS,Hex, Round Plus Shank Product Name:
Vacuum Brazed Diamond Dry Drilling Core Bits

Quantity:
2 Pieces 08mm (5/16 Inch)

Specification:
Diameter: 8mm, Max working depth: 35mm, Diamond height: 10mm, Total Length: 62mm
6mm-16mm bits with Wax inside helps cooling the bits
**The Thread of bit is 5/8-Inch-11, Recommended Machine: angle grinder**
If you fit them on drill or other machine, you need an adapter, such as SDS, hex, Round plus shank...

Application :
Dry/wet drilling for porcelain tile, granite, marble, stone, Masonry, brick...

Feature:
1. Minimizing any breakage and safe for operator
2. High quality Diamond Grain provide fast and smooth drilling
3. Vacuum Brazed technology provide much longer working life than electroplated technology
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