22mm Integral Drill Rod
Kunxu'sintegral drill rodscombine thedrill bit, drill rod, and shank adapter into a single unit. This integral design minimizes energy loss, making them highly suitable for underground mining and small-hole drilling with diameters ranging from 24mm to 44mm. Commonly used with air-leg and hand-held rock drills, they deliver higher drilling efficiency, especially in softer rock formations.
The "22mm" specification refers to the diameter of the integral drill steel. In this case, it indicates that the diameter of the drill steel is 22 millimeters.
The integral design means the drill steel and drill bit are produced as a single unit. This structure provides superior rigidity, improved energy transfer, and greater efficiency compared to separate bit-and-steel systems. It also simplifies operation, offering better reliability and ease of use.
22mm Integral Drill RodAdvantages
Higher spindle speed, utilizing percussive force 18%–25% more effectively compared to separate drill bits.
Easy replacement of the entire drill rod instead of the bit, reducing the risk of breakage or cracking at the drill bit or rod end.
Worn bit ends can be re-polished and reused as conical drill bits, maximizing tool life.
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