玻璃钻头开孔器

Features:

• 100% Brand new and high quality

• Excellent for making clean and accurate hole on glass, tile， thin ceramic ，wood or other.

• Ideal for drilling accurate and clean holes.

• Can be installed on a standard electric drill, a professional drill or drill, bench drill.

• Using water as a coolant/lubricant will substantially extend the life of these hole saws.

Note:Angle drill at 45 degree to start hole at low speed，then vertical position once the hole has started. For safe operation, safety protective equipment must be worn by the operator
Use water to cool down when using

Usage:

1. Clean the surface and keep it wet with water& coolant.Then mark down the position of the drill hole.

2. Start drilling with a 45 degrees angle to the surface slowly.

3. Drill at low speed and adjust the drilling angle to vertical position when the hole appears.

4. Slown down to drill the hole off directly or you can exit and drill from the other side to make it smoothly.

Specifications:

 Size:Hole Diameter: 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 22mm 25mm 28mm  30mm 35mm 40mm 45mm 50mm
    Weight:330g

Package Include:
   

1 x 16pcs Diamond tool drill bit hole saw set

玻璃钻头开孔器