Geotechnical core bits
The geotechnical core bits for coring distributed by PROMAFORSOVEMA offer a wide choice combining performance and adaptability, from loose ground to the most abrasive formations. Available in metric and Wireline ranges, they suit all standard core barrels. Permanently in stock at our branches for rapid availability.
Mohs hardness scale — Core bit selection
- Soft (3-4): Calcite, Sandstone, Talc → Brown core bit
- Medium (5): Dolomite, Diorite, Schist → Green core bit
- Hard (6): Diorite, Granite, Basalt → Orange core bit
- Very hard (7): Gneiss, Quartz, Silicified rock → Yellow core bit
- Extremely hard (8): Jasper, Quartzite, Taconite → White core bit
Metric core bits
Available ranges: B 46 to 146, T2 46 to 101, T6 76 to 146, T6 TRIPLEX 101 to 131, K2 96 to 146
- Impregnation height: Standard 6 mm — 12 mm on request
- 5 matrices available
- Standard profile and IFA profile (Face Injection) on request
Wireline core bits
Available ranges: BWL, NWL, HWL, PWL, NWL2, NWL3, HWL3, PWL3
- Impregnation height: Standard 6 mm — 12 mm on request
- 4 matrices available: Blue / Green / Orange / Yellow
- Standard profile and IFA profile (Face Injection) on request
Need geotechnical core bits for your coring?
Contact one of our 4 branches throughout France for a quote, to check availability or for technical advice on selecting the core bit suited to your ground and core barrel.
