.

diamond coated core drill bit tile marble glass ceramic flat

cone shape drill bit, diamond core drill,

hole saw core drill, hole digging tools

Glassdrillbit

D 5mm-150mm

L 75mm,95mm

T 1.0mm

Threadsize :1/2",1/4"

Machine: benchdrilling machine

glass drill bitUsage:

Drill Glass, Tile Bottles, Blocks Jars, Fiberglass Porcelain Tile Ceramic, Slate Mable, Granite Light Stone

features:

1 fast drilling speed,2 high efficiency and less chipping,3 minimum material deformation

4 long life

Technology DescriptionDiamond core drill bits and diamond hole saws have a hollow center and cut a circle in the materialTo create a hole. This results in a hole the size of the drill and a smaller "plug" or "core" which comes from the center. The advantage of a hole saw style drill bit is that is only drills out a small portion of the hole - about 10% compared to a solid drill bit. When drilling in soft materials, a hollow drill bit becomes most effective at about 1", however, in very hard materials, they are preferable to solid bits for even small sizes.

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