Precision Threaded Design: Equipped with precision machined internal and external threads for quick assembly and tight locking.
Stable Force Transmission: Transmits impact force and torque stably to complete borehole drilling in hard rock and compact soil.
Dual Type Availability: Offers extension rods for deep holes and MF drifter rods for medium and shallow fast drilling.
High Load Performance: Tight fit structure ensures rods remain locked firmly during high-load percussive drilling without loosening.
Versatile Application: Ideal for underground mining, tunneling, geological prospecting, and anchor bolt construction.
Multiple Thread Standards: Supports various thread types including R22, R25, R28, R32, R38, T38, T45, T51, St58, and T60.
Custom Color Options: Available in Red, Black, Yellow, and White to meet specific site requirements.
Durable Material Quality: Constructed from high-quality 23crni3mo D6a carbon steel for long-lasting performance.