Circle Marked Out for Hole Drilling in Countertop
Some Stone Drilling Features.
- Drilling speed. The stone does not love rushing. In order for a hole to have smooth edges, the drilling of the marble is performed at low speed, and at a variable speed. The number of revolutions varies depending on the diameter of the core drill (crown).
- Water. Water is constantly supplied to the cutting edge – and the result is obvious:
– the crown do not break apart due to temperature increase by friction;
– the drill will last longer because there is no overheating, as the diamonds are very sensitive to temperature drops;
– the drill does not wedge in the stone, which greatly reflected on high productivity of drilling;
– dust absence due to intensive washout of sludge;
– neat edge of the hole;
- Drilling technique. Polished stone loves well-centered drills and experienced hands. The easiest way to damage the edges of the hole and simultaneously ruin polished finish is to press the crown vertically. Drilling starts at an acute angle, and after forming a small groove, align the drilling tool in a vertical position. This technique is necessary so that the drill does not “roll” over the surface and does not scratch surface.
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