15mm M14 Granite Diamond Core Bit Hole Saw Spiral Pattern

M14 Spiral Pattern Vacuum Brazed Marble Diamond Hole Saws

1. Sharp edge: The opening hole will be round and cut fast.
2. The cut-out design is larger which reduce the resistance when it works.
3. High-quality thread design makes it easily to install and remove, meanwhile it will allow it to be held more tightly when work.
4. Select high-quality diamond raw materials and drill fast and stably.
5. Vacuum brazed craftwork allows it to work stably in high-heat condition and no need to add water cooling.

Raw material selected as high-quality diamond grain and High-strength steel,which could largely not only provide fast and smooth drilling, but also extend its service life.Premium aluminum case can easliy be stored and carried.

How to use the tool?

1. Fix it on angle grinder tightly and turn it on to let it rotate in the air and check whether fastened again.
2. Place the drill at 45 degree angle to start the drilling for seconds and bring the drill up into upright position.
3. Continue to drill and swaying slightly the machine along a circle

Application