Rock Drilling Tools Button Bits Tapered Type:
Tapered Button Bits Manufacturers, Tapered Bits Suppliers, Rock Bits, Drill Bits, Button Bits Suppliers.
Taper Degree: 6°, 7°, 11°, 12°
Diameter: 32-42
Buttons: 4, 5, 6, 7, 8
Flushing Water Hole Nos.: 1, 2, 3
Skirt: Short, Long
