1. Drill rod types: extension rod, MF rod, and guide rod;
2. Length: 3050mm, 3660mm, 4265mm, 6095mm, etc;
3. Rod size: H32, H38, D32, D39, D46, D52, D56, D64, D76, and D87;
4. Thread size: R32, R38, T38, T45, and T51;
5. 5 types of drill bits: cross bit, button bit, drop center button bit, retrac button bit, and drop center retrac button bit;
6. Bits diameter: button bit – 51mm to 127mm; cross bit – 50mm to 65mm.
