FSDRILL / Product

Ring-Type Hot-Press Core Drill Bit

High Core Recovery for Granite & Medium-Hard Formations [Geological Exploration/Prospecting]

Specifications

Model CHP‑Ring‑60/75/100/150 Bit Type Ring-Type Hot-Press Core Drill Bit
Core Diameter 60 / 75 / 100 / 150 mm (Custom Sizes Available) Matrix Material Hot-Pressed Tungsten Carbide Composite
Waterway Design Symmetric Ring-Type Flow Channel Connection Threaded Standard / Custom Connection
Compatible Rigs XY-4 / CSD300D / Geological Exploration Rigs Formation Granite, Andesite, Medium-Hard Rock (80–180 MPa)
Drilling Fluid Mud / Water / Polymer-Based Certification ISO 9001 / Geological Equipment Safety Certified
Forming Process Hot-Press Technology – 15% Higher Density Than Cold Press
Core Recovery Rate 90%+ in Granite and Medium-Hard Formations
Cutting Structure Precision Diamond Segments with Laser-Welded Calibration
Service Life 200–300 m (Granite) / 400–600 m (Medium-Hard Rock)
Vibration Control Buffer Layer Between Matrix & Diamond Strip – Anti-Chipping
Model Formation Type Optimal RPM Applications
CHP‑Ring‑60 Medium-Hard Rock (Limestone, Tuff) 300–450 rpm Mineral Sampling / Core Analysis
CHP‑Ring‑75 Granite / Andesite 280–400 rpm Gold & Copper Prospecting / Fault Zone Survey
CHP‑Ring‑100 Hard Granite / Volcanic Rock 250–370 rpm Deep Prospecting / Magnetic & Gravity Survey Core Retrieval
CHP‑Ring‑150 Fractured Medium-Hard Formations 200–320 rpm Hydrogeological Survey / Structural Core Preservation
Product & manufacturing images

Key Specifications

Model CHP‑Ring‑60/75/100/150 Bit Type Ring-Type Hot-Press Core Drill Bit
Core Diameter 60 / 75 / 100 / 150 mm (Custom Sizes Available) Matrix Material Hot-Pressed Tungsten Carbide Composite
Waterway Design Symmetric Ring-Type Flow Channel Connection Threaded Standard / Custom Connection
Compatible Rigs XY-4 / CSD300D / Geological Exploration Rigs Formation Granite, Andesite, Medium-Hard Rock (80–180 MPa)
Drilling Fluid Mud / Water / Polymer-Based Certification ISO 9001 / Geological Equipment Safety Certified

Technical Features

Forming Process Hot-Press Technology – 15% Higher Density Than Cold Press
Core Recovery Rate 90%+ in Granite and Medium-Hard Formations
Cutting Structure Precision Diamond Segments with Laser-Welded Calibration
Service Life 200–300 m (Granite) / 400–600 m (Medium-Hard Rock)
Vibration Control Buffer Layer Between Matrix & Diamond Strip – Anti-Chipping

Model Guide

Model Formation Type Optimal RPM Applications
CHP‑Ring‑60 Medium-Hard Rock (Limestone, Tuff) 300–450 rpm Mineral Sampling / Core Analysis
CHP‑Ring‑75 Granite / Andesite 280–400 rpm Gold & Copper Prospecting / Fault Zone Survey
CHP‑Ring‑100 Hard Granite / Volcanic Rock 250–370 rpm Deep Prospecting / Magnetic & Gravity Survey Core Retrieval
CHP‑Ring‑150 Fractured Medium-Hard Formations 200–320 rpm Hydrogeological Survey / Structural Core Preservation

Field Performance

  • Inner Mongolia Gold Prospecting: Core recovery rate improved from 75% to 93% in fractured granite zones
  • Southwest China Mineral Belt: Drilled 480 m with one CHP‑Ring‑100 bit, no cutter chipping or deviation
  • Central Asian Andesite Region: Achieved full-core retrieval with ±0.5 mm diameter accuracy across 150 m