a versatile milling bit designed to enlarge, shape and/or round bevel existing holes in Porcelain, Hard Ceramic, Granite and Marble.and it's also suitable to easily create round side indentation necessary to accomodate pipes or electric wire lines With HEX Shank Adapter, easily locked in Hand Drill, Bench Drill etc This is a save money tool because with just one standard core bit and this finger bit you are able to create many different hole sizes, without needing to buy several different core bit 3/8-inch /10mm Diameter,total length 65mm, work length 40mm,G50/60 diamond grain make the hole smooth and clean, and can achieve excellent surface effect Vacuum Brazed Diamond Technology:High-Quality Diamond Powder with Strong Steel Body can Bring Excellent Working Performance,High efficiency,Faster,Lasts longer
Specification:
Diameter 10mm/3/8", connection: hexagon shank, Diamond grit #50/60, the total length 65mm,diamond height 40mm,

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

Feature:
1. It is processed by cutting-edge high-end vacuum brazing process;
2. The fine particles, through fine grinding, make the edge of the hole smooth and clean, and can achieve excellent surface effect;
3. High-quality diamond particles provide better performance and longer working life for the product;；
4. Hexagon shank is available for sds plus shank drill.
5. Both can dry or wet use.
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