70mm Dia Diamond Drill Bit, Hollow Core Drill Bit for Marble, Porcelain, Slate, Glass, Ceramic, Porcelain, Tile, Marble, Granite (70mm Diameter) - LIAIKI

【High-Quality Materials】 The diamond hole saw is made of high-carbon steel with a clean, smooth opening and no broken edges. It offers low cutting resistance, stable drilling, and won't chip the edge.

【Good Design】 The central pilot holes and side holes help with easy waste removal; the diamond drill bit has a gold coating to prevent rust and improve surface corrosion resistance.

【Wide Application】 Diamond drill bits can be used to drill ceramic tiles, marble, glass, granite, concrete, and other hard materials. It will work with all electric drills and impact drills. This is your ideal choice for DIY projects and home maintenance and repairs.

【Please Note】 When cutting hard materials, it is important to ensure the drill bit remains cool to avoid damaging the material being drilled and premature wear of the bit. Water is necessary for lubrication during drilling, which can extend the life of the drill bit.

【Buy with Confidence】 We offer a two-year warranty on the hole saw. If you have any questions, please feel free to contact us. We will do our best to resolve them for you. (Please clamp the arbor in the correct position and take the necessary protective measures when working with wood.)

Product Description

Diamond Hole Saw Drill Bit

Primarily used for drilling faucet mounting holes in stone countertops or plumbing lines in showers and vanities.

Marble Hole Drill Bit

Long Lifespan

Made of high-carbon steel, drilling quickly and accurately with a long service life.

High-Carbon Steel Blade

Sharp and Smooth

Low cutting resistance, drilling stably for a clean and smooth opening, without chipping the edge.

Gold Coating

Durable

The diamond-coated hole saw has gold paint to prevent Rust-resistant.

Features

Material

High-carbon steel

Size

70 mm diameter

Package includes

1 x diamond hole saw drill bit

Suitable for glass, ceramic tiles, porcelain tiles, marble, granite, reinforced concrete, and other hard materials.

Suitable machines

Hand drill, bench drill.

Note

Keeping the tool cool with water or lubricant will prolong its lifespan.