RC Drilling: The Art of Saving a Drill String
2021-7-31 · The customer had been using a COP RC 45 hammer with 133 mm. trubbnos 12 gauge button bits, along with an Explorac 100 drill rig from Epiroc. The COP BH 160 back hammer is a great product for several reasons. With 30% fewer parts, it is a …
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