10Pcs Diamond Drill Bit Set, 8-50mm Glass Tile Hollow Core Extractor Remover Tools Diamond Hole Saw for Glass Ceramics Porcelain Ceramic Tile by Jelbo;

DIAMOND DRILL BIT:
Diamond drill bits ,or diamond core drill bits, diamond hole saw or bonded diamond drill bits. They are often referred to as glass drill or tile drill, but since they are used to drill glass, ceramic, porcelain, tile, ceramic tile, limestone, Slate, marble, granite, stone and glass fiber light, so they are more general.

PRODUCT FEATURES:
☀Material: steel
☀Average Height: 52mm
☀Application: Suitable for stone, tile, ceramic, glass and granite processing.
Good performance, long service life.
Very suitable for glass and ceramic tiles make clean accurate holes.
An electric drill work better (not included in the project).

INTRUCTIONS:
1.Diagonal start your hole, do a round of mark, then drill.
2.Always use lubrication (water), or diamond drill will burn.
3.Through the concrete and tile cutting, it is very effective. There are the smallest heat and it will not damage the drill.

PACKAGE:
10 x Diamond Drill Bits
Product Instruction

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