Limestone Quarry Drilling 7 Degree 36mm Taper
32mm Taper Cross bits for Pneumatic Rock Drill Cost effctive. Types. Tapered cross bits. Application:: Tapered drill bits are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling. Feature: Tapered drill bits connect tapered drill steel of rock drill for drilling holes. Material: High quality carbide and high quality steel. MOQ:
Get Price