Description:
These drill bits are cutting tools used to remove material to create holes of circular cross-section.They come in many sizes and can create different kinds of holes in many different materials. Attached to a drill which makes them to cut through the workpiece by rotation.

Feature:
Paint on the body of this bit avoids getting rusty.
Opening neat and smooth, no broken edges, no shaking and chip easily.
Small incision resistance, drilling stably and will not break the border.
Mainly used for drilling ceramic tile, marble, granite, concrete and other hard material.
Ideal for drilling the faucet mounting holes in stone counter tops.

Specifications:
Material: 45# steel+diamond
Color: Gold
Size: 6-25mm (10types)
6/8/10/12/14/16/18/20/22/25mm
0.24/0.31/0.39/0.47/0.55/0.63/0.71/0.79/0.87/0.98inch
Weight: 436g(approx.)

Method of Use:
1, Use in wet drilling or dry drilling.
2, To prolong its using life, better to use with water for cooling and lubrication.
3, The hole drill bit can be used with bench drill, hand electric drill.
4, When you using hand electric drill, start slowly at 45 degree angle and go vertical after you make an initial mark.

Package Includes:
1 Set(10pcs) x Diamond Drill Bits

Note:
1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.
3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.