20mm x 20mm diamond finger bit with M12 fitting for granite, marble and sandstone

20mm Electroplated 20mm Vacuum Brazed 30mm Vacuum Brazed 30mm Electroplated

100mm (for 20mm) 150mm (for 20mm) 200mm (for 30mm)

20mm Vacuum Brazed 20mm Electroplated 30mm Vacuum Brazed 30mm Electroplated

Granite 50mm 3 holes M6 Granite 20mm Flat Bottom M12 Granite 20mm Radial M12 Sandstone Hard 50mm 3 Holes M6 Sandstone Hard 20mm Flat Bottom M12 Sandstone Hard 20mm radial M12 Sandstone soft abrasive 50mm 3 holes M6 sandstone soft abrasive 20mm flat bottom M12 sandstone soft abrasive 20mm radial M12 Marble 50mm 3 hole M6 Marble 20mm Flat bottom M12 Marble 20mm Radial M12 Sandstone Extra Soft abrasive 50mm 3 holes M6