Cost-effective Taper Button Bits 34mm/35mm/36mm Diameter

Cost-effective Taper Button Bits 34mm/35mm/36mm Diameter

4.46/6/7/11/12 Degree Small Hole Blasting Tungsten Carbide Tapered Button Hard Rock Drilling Bit

4.46/6/7/11/12 Degree Small Hole Blasting Tungsten Carbide Tapered Button Hard Rock Drilling Bit

+86 186786 66758 admin@richdrill.com