------ WORTOOL ------ Product Name: Diamond Coated Hole Saw Drill Bit Set. Material: Diamond alloy Drill chuck: 10 mm Shank: Round shank Color: Silver Surface treatment: Silicon carbide coating Features: • 100% Brand new and high quality. • Diamond dust hole saw for any power drill to cut round holes in glass, and other materials • Nickel-plated with a diamond dust coating offers superior performance and cutting strength. • Clean and accurate holes. • For use on wood, porcelain, glass, tile, ceramics and other surfaces Applicable Workpiece: Suitable for Stone, Tiles, Ceramics, Glass and Granite, etc Processing. Package Included: Diamond Coated Hole Saw Drill Bit Set • M120: Outside Diameter 120mm, Shank Diameter 9.0mm, Drill Hole Depth 30mm. 1 Pcs Directions for use: First, 45 degrees of bevel to drill positioning, and then the vertical drilling, need light pressure and rotational speed is slow.In the beginning and the end of the time, should control electric drill speed at about 800-1000.Needed add water operation in the drilling hole process , can improve the service life of the product. Note: • The toughened glass can not use this product. • Prohibited not add water to drill hole.
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