Product: Diamond Drill Bit Set Hole, 15PCS Hole Saw Set for Glass, Marble, Granite Stone
Brand: 3 otters
Color: Silver white
Tile Hole Saw Diamond Drill Bits 6-50mm Glass Tile Hollow Core Extractor Remover Tools for Glass, Ceramics, Porcelain, Ceramic tile 

 Description
 15 PCS a set diamond drill bits, hole saw core drill style bit. More than 20 years of experience in the production of glass drill bits, combining advanced technology and scientific achievements, performance.Fine workmanship and super wear-resistant, sharp

 Operation
 Start the hole diagonally, make a round braid and then hold drill straight.Water is required for lubrication when drilling 

 Tile Hole Saw15 Sizes
 6/ 8/ 10/ 12/ 14/ 16/ 18/ 20/ 22/ 25/ 26/ 28/ 30/ 40/ 50 mm 

 SPEED KILLS
 This tile hole saw are made of industrial grade carbon steel with nickel-plated coated body that resist corrosion.Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably 

 WARNING
 Not for use on Concrete or for depths beyond about 1/2"; Water is required for lubrication when drilling. 

【Glass Drill Bit】These diamond drill bits are made of industrial grade carbon steel with nickel-plated coated body to resist corrosion. Fine workmanship and super wear-resistant, sharp
【High Quality Drill】Each hole is treated with smooth and accurate surface treatment,and the top oh the hole is thickened to achieve excellent cutting strength
【Tile Hole Saw 15 Sizes】 6/ 8/ 10/ 12/ 14/ 16/ 18/ 20/ 22/ 25/ 26/ 28/ 30/ 40/ 50 mm，to meet various demands
【Wide Usage】Used on Drill Glass,Wood,Tile Bottles,Blocks Jars, Ceramic,Slate Mable, Granite Light Stone, and other hard surfaces
【Attention】Please keep adding water when the diamond drill bits are working on the glass or ceramics.low drill pressure and increased use of water lubrication will extend drill bit life.

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