Specially cutting material with high speed and long service life. Apply to process granite, sandstone, limestone, concrete, asphalt road, brick, refractory material etc. Sandwich silent type; bore size and other sizes are available as the customers’ order. Diameter(inch) Segment(n) Segment Thickness(mm) Segment Height(mm) Item No 12 21 3.0 10 BRA300 14 24 3.2 10 BRA350 16 28 3.6 10 BRA400 18 32 3.8 10 BRA450 20 36 3.8 10 BRA500 24 42 4.5 10 BRA600 28 50 5.0 10 BRA700 32 46 5.5 10 BRA800 36 64 7.0 10 BRA900 40 70 7.5 12 BRA1000 44 80 8.0 12 BRA1200 48 108 9.0 12 BRA1600