Hole Saw Drill Bit is coated with high-quality diamond, the diamond saw creates a high-precision smooth cut, with no broken edges. Reduced drilling speeds, low drilling pressure, and increased use of water lubrication will greatly extend the life of the bit. Perfect set for cutting precise holes in a wide variety of materials like glass and ceramic.

These Diamond Drill Bits are made of high-speed steel which is durable and has a long service life, which is of high quality and good performance, excellent for making clean and precise holes. Diamond coating maximizes performance and maintains a sharper cutting edge than traditional or bi-metal hole saws. 

Drill Bit diamond-coated core bit removes a full circle of glass, marble, tile, granite, ceramic, or others. They are perfect for drilling glass, tile bottles, jar blocks, fiberglass, porcelain, ceramic tiles, slate, clear granite stone. Nickel plating on these tips maximizes the life of your tool with great resistance to corrosion.

KEA FEATURES:

• Durable and have a long service life
• Diamond coating maximizes drilling performance
• Maintains a sharp cutting edge after multiple applications
• Side hole allows you to quickly remove any slugs after drilling
• These diamond drill bits are made of high-speed steel 

How to use Hole Saw Drill Bit：

Package Includes：

1*Hole Saw Drill Bit+10Pcs/11Pcs Drill Bits