Luomorgo Diamond Hole Saw 1.1 inch Cutting depth Diamond Diamond Drill Bits for Glass Ceramic Marble Porcelain Tile Granite Quartz

Hole Saws by Luomorgo. Details:Please look for the Luomorgo brand.1″ / 28mm Shank Diameter: 0.35″ / 9mm Shank Height: 1″ / 26mm High Quality Material: Iron alloy Package Includes: 1 x 3 inch diamond hole saw How to Cut Successfully: 1. Make a half-moon-shaped notch on the glass/tile/stone drill with 45 degrees. 2. Slowly raise the drill bit to 60 degrees, and then lightly drill. 3. Reach 90 degrees and continue drilling. 4. Finally, the glass/brick/stone is drilled. This technique requires the drill bit to “shake” instead of applying steady pressure all the time. Warm Tips: 1. Please add water as coolant and drill slowly. 2. Start drilling the surface at an angle of 45 degrees and align 90 degrees when forming the hole. 3. Never use an electric drill when the machine is in a hammering state. 4. The hole does not need to be laborious, because the cutting is clean.

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

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The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.