WWW.ROCK-DRILLBITS.COM

As the world changes,our values remain the same.With 23 years of focusing on tungsten carbide and tungsten carbide tools.Carbide button and steel is the most important for rock drilling... Hi larry, So far,we made the parts we needed with the DTH drill bits and it looks to work as expected... HAO Carbide Co., Ltd is best Rock Drill Bits, DTH Drill Bit and Top Hammer Drill Bits supplier, we has good quality products service from China.

Also known as: rock drill bits, Rock-Drillbits Co., Ltd