Used Roche Construction in Baden-Württemberg, Germany

KRR Core barrels, welding rings 26 rock bits

• Manufacturer: DIVERS KRR

26 rock bits Ø mm: 800 | Length mm: 1585 | Kelly- box: 130

Augers double-cutting with 6 rock bits each

double-cutting with 6 rock bits each, each side 6 rock bits + pilot with 5 rock bits

KRR Core barrels, welding rings 9 rock bits

• Manufacturer: DIVERS KRR

9 rock bits Ø mm: 800 | Length mm: 1835 | Kelly- box: 130

ABF Buckets turning bottom with 6 rock bits + 3 rock bits + pilot 3 rock bits

• Manufacturer: ABF

turning bottom with 6 rock bits + 3 rock bits + pilot 3 rock bits