FSDRILL / Product

Rib Spiral PDC Core Drill Bit

Large Water Ports & Anti-Blocking Design for Sandstone/Mudstone in Fractured Formations [High Recovery Rate]

Specifications

Model RSC‑75/91/110/171 Bit Type Rib Spiral PDC Core Drill Bit
Borehole Diameter 75–171 mm (Custom Sizes Available) Matrix Material Boronized Alloy Body with Chrome-Molybdenum Ribs
Cutter Structure Reinforced PDC Cutters with Self-Sharpening Edges Connection API Thread / Custom Adapters for Core Barrels
Compatible Rigs Geotechnical & Exploration Core Drills Core Diameter Ø25–65 mm (Single/Double Tube)
Drilling Medium Water / Mud (Low to Medium Pressure Systems) Certification ISO 9001 & GB
Compatible Rigs Geotechnical & Exploration Core Drills Core Diameter Ø25–65 mm (Single/Double Tube)
Drilling Medium Water / Mud (Low to Medium Pressure Systems) Certification ISO 9001 & GB
Cutter Layout Spiral rib pattern with 6 PDC cutting zones and reinforced core shielding fins
Drilling Efficiency 30% higher mud flow, reducing blockage in high-clay zones
Service Life 250–300 m lifespan in sandstone/mudstone formations
Core Recovery ≥90% core recovery rate in fractured or broken strata
Bonding Technology Vacuum Brazed PDC with Boron Surface Treatment on Spiral Ribs
Product & manufacturing images

Key Specifications

 
Model RSC‑75/91/110/171 Bit Type Rib Spiral PDC Core Drill Bit
Borehole Diameter 75–171 mm (Custom Sizes Available) Matrix Material Boronized Alloy Body with Chrome-Molybdenum Ribs
Cutter Structure Reinforced PDC Cutters with Self-Sharpening Edges Connection API Thread / Custom Adapters for Core Barrels
Compatible Rigs Geotechnical & Exploration Core Drills Core Diameter Ø25–65 mm (Single/Double Tube)
Drilling Medium Water / Mud (Low to Medium Pressure Systems) Certification ISO 9001 & GB
Compatible Rigs Geotechnical & Exploration Core Drills Core Diameter Ø25–65 mm (Single/Double Tube)
Drilling Medium Water / Mud (Low to Medium Pressure Systems) Certification ISO 9001 & GB

Technical Features

Cutter Layout Spiral rib pattern with 6 PDC cutting zones and reinforced core shielding fins
Drilling Efficiency 30% higher mud flow, reducing blockage in high-clay zones
Service Life 250–300 m lifespan in sandstone/mudstone formations
Core Recovery ≥90% core recovery rate in fractured or broken strata
Bonding Technology Vacuum Brazed PDC with Boron Surface Treatment on Spiral Ribs

Field Performance

  • Ordos Basin Survey: Core recovery improved from 68% to 92% in sandy mudstone with RSC‑100
  • Southwest China Hydropower Site: RSC‑75 drilled 80 m continuously without mud clogging
  • Xinjiang Uranium Prospecting: RSC‑150 extended lifespan by 35% vs conventional bits in fractured sandstone