M12 CNC Diamond Finger Bits 20mm for Granite, Marble and Natural Stone

M12 CNC Diamond Finger Bits 20mm – Professional Grinding & Shaping for Granite, Marble and Natural Stone
The M12 CNC Diamond Finger Bit 20mm is a high-performance stoneworking tool designed for precision grinding, shaping, and enlarging holes in granite, marble, and other natural stone materials. Engineered for durability and accuracy, this diamond finger bit is ideal for professional fabricators, stonemasons, CNC operators, and skilled DIY users who demand consistent results and long tool life.
Perfectly suited for CNC machines and handheld grinders with M12 connection, this tool delivers smooth, controlled material removal while maintaining excellent stability and cutting efficiency.
Premium Diamond Construction for Superior Performance
This finger bit is manufactured using high-quality industrial diamonds bonded to a robust metal body. The diamond coating ensures fast grinding speed, excellent wear resistance, and reliable performance even when working on hard and abrasive stone materials.
The optimized diamond distribution allows for uniform cutting action, reducing vibration and preventing chipping or cracking of the stone surface. This results in cleaner edges, smoother finishes, and greater accuracy during shaping operations.
 
 
CNC diamond finger bit 20mm
Specification
Diameter: 20mm
Segment height : 20mm
M12 Connection
Feature
Granite, marble, quartz, quartzite, and engineered stone counter top sink and vanity bowls can be easily and efficiently cut using the innovative Radial Arm Finger Bit .