DUNCHATY 10 PCS Wet Diamond Hole Cutting Bits

Inch and Metric Convert Chart

We provide a conversion chart from mm to decimal inch and appox. fraction inch for your reference.

10 different drill bits included with this glass drill bit set to meet various demands. Perfect for drilling glass, tile, porcelain tile, ceramic tile, brick, and stone.

Extend Drill Bits Life

1.Before beginning, you need to dip the drill bit into the water, which can avoid dust flying around and cool down the drill bit.

2.During the whole drilling process, every 5 seconds, you need to dip in water to cool down the drill bit to avoid sparks and high temperatures.

3.Reduce drill speeds, lower the drill pressure and use of water lubrication will extend drill bit life considerably.

Note

The maximum drilling depth is about 1/2"

Extreme Hard Hole Saw Core Bits

• These diamond drill bits are made of industrial-grade carbon steel with a nickel-plated coated body to resist corrosion. Fine workmanship and super wear-resistant.
• Each hole is treated with smooth and accurate surface treatment, and the top of the hole is thickened to achieve excellent cutting strength.

Widely Application

• Wet diamond drill bits for hard porcelain and glass tile.
• Recommended for ceramic tile, porcelain tile, glass block, slate, marble, quartz, granite, and limestone.
• The life of the diamond drill bit depends upon the hardness, abrasiveness and thickness of the material being drilled and the specific drilling techniques used.