Tapered button bits is ideal for short hole drilling, as well as roof bolting applications. Comparing with tapered chisel bits and tapered cross bits, ...
Taper drill rod, another name called taper rod, taper drill steel. It has a hexagonal chuck section to provide leverage for the rotation chuck bushing...
Integral drill rod, another name is integral drill steels, integral rods are used by hand held rock drill in granite and marble quarries, underground ...