------ WORTOOL ------ Product Name: Diamond Coated Hole Saw Drill Bit Set. Material: Diamond alloy Drill chuck: 10 mm Shank: Round shank Surface treatment: Silicon carbide coating Features: • 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. Applicable Workpiece: Suitable for Stone, Tiles, Ceramics, Glass and Granite, etc Processing. Package Included: Diamond Coated Hole Saw Drill Bit Set 16 Pcs • M4: Diameter 4mm, Shank 5.0mm, Depth 30mm. • M6: Diameter 6mm, Shank 5.4mm, Depth 35mm. • M8: Diameter 8mm, Shank 6.4mm, Depth 30mm. • M10: Diameter 10mm, Shank 6.5mm, Depth 30mm. • M12: Diameter 12mm, Shank 6.0mm, Depth 30mm. • M14: Diameter 14mm, Shank 7.0mm, Depth 30mm. • M16: Diameter 16mm, Shank 6.4mm, Depth 30mm. • M18: Diameter 18mm, Shank 8.2mm, Depth 30mm. • M20: Diameter 20mm, Shank 8.0mm, Depth 30mm. • M22: Diameter 22mm, Shank 8.0mm, Depth 30mm. • M25: Diameter 25mm, Shank 9.0mm, Depth 30mm. • M28: Diameter 28mm, Shank 9.0mm, Depth 30mm. • M30: Diameter 30mm, Shank 9.0mm, Depth 30mm. • M35: Diameter 35mm, Shank 9.0mm, Depth 30mm. • M40: Diameter 40mm, Shank 9.0mm, Depth 30mm. • M50: Diameter 50mm, Shank 9.0mm, Depth 30mm. 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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