NUMA

Showing all 2 results

  • DTH Bit-Numa120-381 for deep hole water well and large diameter surface hole drilling

    DTH Drill Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special “stress relief” processes ensure consistent performance.
    DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.

  • NUMA100-305 DTH Hammer Bit for deep hole water well and large diameter surface hole drilling

    DTH Drill Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special “stress relief” processes ensure consistent performance.
    DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.