- Hoʻolei a welded paha pahu kelly koho (130×130/150×150/200×200mm etc.)
- ʻO ke koho pololei a i ʻole auger tapered
- ʻOki hoʻokahi a ʻoki ʻelua ʻoki koho
- ʻO ka bit pilot RP4 kiʻekiʻe ke koho
- E hoʻopaʻa i ka pale me nā ʻili paʻa a i ʻole e ʻaʻahu i nā kaula
- Hoʻohālikelike me ka hapa nui o nā rigs drilling rotary ma ka mākeke, me Bauer, IMT, Soilmec, Casagrande, Mait, XCMG, etc.
- ʻO ke anawaena wili a hiki i 5000mm
- Hiki ke hoʻopilikino ʻia e like me nā koi kikoʻī