28mm~60mm top quality tapered chisel drill bit
Product Description
1.Product Name:tungsten carbide drill bits
TypesTapered chisel bits, Tapered cross bits, Tapered button bits
2.Application:Tapered drill bits are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling
3.Feature:Tapered drill bits connect tapered drill steel of rock drill for drilling holes

4.Material:High quality carbide and high quality steel