Used vari in China

T6 116 T6 131 T6110 High Penetration Rate Impregnated Diamond Core Bits For Rock , Core Drill Bits

• Manufacturer: ROCA

High Penetration Rate Core Drill Bits / Impregnated Diamond Core Bits For Rock Specifications: T2-76 diamond-impregnated core bit 1. High penetration rate 2. High core recovery ratio 3. long life of drilling serv...