Diamut Flute/Grooving Bits
7000 RPM for all 3 positions
Position 1: 200-300 mm/min depending on material hardness. The pos.1 can take up to 4 mm on soft, medium and medium hard granite. they can go with one step only (200 mm/min feed rate). On hard granite they need to go with two steps 2 mm + 2 mm (200 mm/min feed rate)
Position 2-3: 500-600 mm/min depending on material hardness.
It is very important to start from the sink opening and work up.