How To Cut Hole In Granite Countertop. CNC 5 Axis Bridge Saw cut rectangle sink holeBridge Cutting machine marble granite quartz kitchen countertop. Remeasure and mark the tape.
Remeasure and mark the tape. Attach a vacuum to the hose of the saw and turn the vacuum on to draw away the dust produced by cutting the countertop. Bear in mind anything more than a straight cut at the back of the cutout will require removing it like for routing the edges because you cannot get closer than about 6 inches to the back wall for that.
Run the tool at its highest speed but dont exceed the bit manufacturers recommendations.
Cut a guide hole with your hole saw out of a scrap piece of ceramic tile or a thin 18 to 14 piece of wood and clamp it or have someone hold that with two hands firmly. If using a circular saw blue-tape the shoe of the saw to minimize the risk of metal-on-granite. Then remove guide and now you have your starting guide to finish your cut. Fit a diamond blade labeled for cutting granite onto the saw.
