Taper button bit is used for hard or very hard rock formation. Excellent quality and durability and specialized heat treat & stress reliefï¿¡?also maximum performance and hole cleaning ability. Our button bits made with high quality of raw material through special heat treatment, especially, tungsten carbide tips are import from south africa, widely applied in hand held (short-hole) drilling system for dimensional stone quarrying. Now, we are exporting the huge qty 32mm, 34mm, 40mm for indian quarry and spain, finland quarry, 7??, 11??38mm, 41mm is very popular for granite and marble etc quarries.. Diameter of bits from 30mm to 42mm with 4, 6, 7, 11, 12 degree, number of buttons is 4, 5, 6, 7, 8 , 9, 7 buttons is very popular for hand held (short holes ) and blast drilling system. Ton designs. Package: in wooden case or in carton.
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