Diamond Drill Bit 15 Piece Hole Saw Tools Set, Hole Saw Tile for Glass/Tiles/Ceramics/Marble/Porcelain Carbon Steel 8mm-50mm

【EXQUISITE CRAFTSMANSHIP】Our diamond drill bits are made of industrial grade carbon steel, with nickel-plated coating to resist corrosion; beautiful workmanship, super wear-resistant and sharp.

【HIGH QUALITY DRILL BITS】Each hole is smooth and precise surface treatment, and the thick diamond coating on the top can provide excellent cutting force to achieve maximum drilling effect.

【LARGE REMOVAL HOLES】These glass hole saws are arranged along the drill bit to facilitate the evacuation of chips and other particles when entering and drilling cooling water. Facilitate the drilling process.

【WIDE USE】This glass drill bit set contains 15 different drill bits to meet various needs. It is used to drill hard surfaces such as glass, wood, ceramic tile bottles, block pots, ceramics, slate, granite pumice and so on.

【NOTE】When cutting hard materials, make sure to keep the tool cool to avoid damage to the material to be drilled and premature wear of the tool; water lubrication is required when drilling, which can extend the life of the drill bit set.

Percez un angle de 45 degrés pour commencer le trou. Commencez à percer à basse vitesse. Rester mouillé avec de l'eau

Inclinez la perceuse en position verticale une fois que vous avez commencé à percer

Ralentissez la vitesse pour le trou de sortie ou percez de l’autre c?té pour éviter la casse.

Ouvrez le trou avec une pression minimale et ajoutez de l'eau.