Oma CNC Finger Bit Green

Oma CNC Finger Bit Green

Oma CNC Finger Bit Green is a modified 8 segment CNC finger bit for quartzite, granite, marble, quartz, engineered stone. The OMA CNC Finger Bit is designed to run between 14-25″ per minute between 5,500-8,000 rpm, depending on the stone being used.

You might also want to take a look at our other Core Bits and Finger Bits for CNC Machines.

Product Features

• The life will be excellent, the wear will be even, and the bit will provide an all-around, well-performing finger bit on practically all stone that is run through the CNC.
• The estimated life of the OMA CNC Finger Bit is outstanding. Running a mixture of quartz, granite, quartzite, marble, etc, you can expect between 100-130 sink cutouts when run at the below specifications.
• Typical life is between 550-750 Linear feet, with some bits lasting well over 1000 linear feet, depending on the rpm, feed rate, and materials

The photo below is of an OMA CNC Finger Bit that has cut out 98 sinks in a mixture of stone. There is still plenty of life left. Also, notice the even wear.

Another fabricator was able to achieve 130 sink cutouts. 40% quartz, 30% granite, 25% quartzite, and 5% marble mix. He ran it at 7,000 RPM with a 15″ per minute feed rate. At the OMA CNC Finger Bit suggested price of $99.00, that averaged only $0.76 per cut out.

With the 8 double segments, made in Italy, really long life, very little apple coring, and can run as fast as you want, the OMA CNC Finger Bit is one of the best CNC finger bits that you can put on your CNC for granite, quartz, and quartzite stone.

Demonstration videos

Oma CNC Finger Bit Green Technical Specifications

 For Quartzite

For Quartz and Granite