uxcell 6mm, 7mm Diamond Coated Hole Saw Drill Bits for Glass Ceramic Tile Marble Rock Porcelain 20pcs

Diamond particles coated cutting tip offers sharp and efficient cutting.A nickel-plated surface makes it more durable.Specifically for glass openings. Excellent results in tile.Cut holes smoothly, tidily, without broken edges and vibration phenomenon.Small incision resistance, increase the speed of cutting holes, easy to decorate and clean after grooving.Attentions:This glass hole saw needs to be used at a low speed, about 800-1000RPM.In order to prolong the life of this glass hole saw, please add coolant liquids or water when processing. Do not work without cooling.Please start your hole diagonally, make a round trace and then hold the drill bit straight.Specifications:Cutting Diameter: 6mm, 7mmMaterial: Metal, Diamond ParticlesShank Diameter: 5.5mm, 6.2mmCoating: Nickel PlatedMain Color: Silver ToneSpeed: 800-1000RPMPackage Contents: 10pcs x 6mm Glass Hole Saw10pcs x 7mm Glass Hole Saw

• Size - 6mm Drilling Diameter, 5.5mm Shank(10pcs); 7mm Drilling Diameter, 6.2mm Shank(10pcs)
• Diamond Coated - Diamond coating enhances the drilling speed, which makes the bit sharper.
• Nickel Plated Surface - The nickel plating surface can extend the service life and enhance surface corrosion resistance.
• Special Design - Side open can remove the waste to keep the drill bit clean.
• Applications - Perfect for drilling glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, light stone and fiberglass. (Need to be used at a low speed; Always use lubrication (water) when processing, otherwise the hole saw will burn.)