Diamond Hole Saw Drill Core Bit Kit Marble Granite Tile Ceramic Cutter Saws

Product Description:
Cut perfect circles with these tools. Suitable for Marble, Granite, Tile Ceramic, Stone, Rebar Concrete etc.
This Hole Saw Kit features hole saws with hard and sharp material to cut faster
These hole saws feature thicker walls to minimize loss and improve durability.
These Hole Saws have wide slots placed low on each hole saw and multiple leverage points to make it easy to work plugs out with a screwdriver.
When you using hand electric drill, make a mark in 45 degree angle, after that you can drill in vertical.
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