Quality product worked on my grinder and drilled the hole into the granite clean and very quickly just a couple of minutes

Quality product worked on my grinder and drilled the hole into the granite clean and very quickly just a couple of minutes  Read Less

As you grind into the counter a little with the bit at an angle you can start to slowly rotate it up towards 90 degrees while drilling

As you grind into the counter a little with the bit at an angle you can start to slowly rotate it up towards 90 degrees while drilling  Read Less

Then ease the bit down onto the countertop at the 45 degree angle until you make contact with the surface

Then ease the bit down onto the countertop at the 45 degree angle until you make contact with the surface  Read Less

Its easy fast clean cuts and the price its okay

Its easy fast clean cuts and the price its okay  Read Less

Go slow and eventually you will have a nice channel for the bit to stay in as you start drilling down through the countertop

Go slow and eventually you will have a nice channel for the bit to stay in as you start drilling down through the countertop  Read Less