- Geotechnical investigation
- Environmental investigation
- Mineral exploration
The surface set diamond core bit is produced from a single layer of natural diamond set on the surface of the bit crown with a hard matrix and are mainly recommended for drilling soft to hard formations.
To choose a right surface set for the formations drilled diamond size, diamond grade and profile design will need to be considered.
Diamond Size Formation Drilled
10/20 SPC* Soft formation
20/30 SPC Soft to medium formation
30/40 SPC Medium formation
40/60 SPC Medium to hard formation
60/80 SPC Very hard formation
*Stone per Carat
REGISTERED OFFICE: Geotechnical Centre, Rougham Industrial Estate, Rougham, Bury St Edmunds, Suffolk IP30 9ND. Registered in England: 2481929