You demand.
We Supply.

TJM Drilling Equipment & Supplies is backed by over fifty years experience in sales and servicing in the oil, gas, water well, quarry, aggregate, dimensional stone, construction and mining drilling industries. In addition TJM has hands on field experience and knowledge to understand the true needs and urgency their customers require. TJM Drilling Equipment & Supplies is the exclusive dealer for HD Engineering hydraulic crawler drill rigs. TJM is also direct distributors for grout plants, air compressors, caisson drill rigs, blast hole drill rigs, onsite drill cuttings bioremediation equipment and solids control systems. In addition to equipment, TJM offers DTH hammers & bits, top hammer drill rods & bits, casing and anything needed for your company to complete your job effectively. Making TJM your one stop shop with the finest products in the industry with a devoted staff committed to excellence.

Large Diameter Rock Bit

Large Diameter Rock Bits are engineered for customer requirements.

Concave structure with guide nose give excellent accuracy in challenging jobs with high demands for hole straightness.

PPV rock bits are available from 300mm to 1250mm diameter and for all major shank designs.

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Rock Bit

Main Applications

  • Rock sockets
  • Air ventilation for tunnels
  • Shafts for utility lines
  • Rescue shafts for mining

PPV Rock Bit Design

PPV Rock Bit Design

Conventional Rock Bit Design

PPV Conventional Design