mm hex drill rods

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  • Drifter rod MM R38-Hex32-R28-4305

    • Code No.: MM-R38-Hex32-R28-4305
    • Type: MM
    • Thread: R38-R28
    • Shape: Hex
    • Length: 4305mm
    • Weight: 27.1kgs
  • R32-H35-T38 3660mm Hex. MM Drifting Drill Steel

    • Code No.: MM-R32-Hex35-T38
    • Type: MM
    • Thread: R38-R28
    • Shape: Hex
    • Length: 3660mm (customize available)
  • T38-H35-SR35 (R32) 4300mm Hex. MM Drifting Drill Steel for tunneling

    Hexagon rods are more rigid, heavier and transfer energy more efficiently,while increasing flushing, Carburization is a process to harden entire rod surface both internally & externally to strengthen rod life, Middle frequency induction surface quenching is a process where only thread ends of rod are hardened to lengthen thread life.