For contacts :

Bulgaria
Asenovgrad
73, Bulgaria Av.
tel.:+359 331 68390
факс: +359 331 64048
GSM: +359 88 9308371

geomabg@abv.bg

The most ordered and produced are Geoma’s impregnated corebits, used for drilling in a variety of rock formations with diverse rock characteristics around the world including Bulgaria, Macedonia, Serbia, Romania, Spain, Russia -Siberia .
The impregnated corebits are with WW-profile and wedge-shaped.  The Matrix’s height ( the height of the impregnated layer)  is  h = 6 - 8 mm.
The variety of our high performance bits is defined from:

• Hardness of the matrix
• Concentration of diamonds
• Quality and type of the diamond powde

The impregnated corebits are produced complying with the following standards:
European - Metric Standard (ф56,ф66, ф76, ф86,ф101 – types Т2 and Т6),
United States - DCDMA (BQ, BQ3, NQ, NQ2, NQ3, HQ, HQ3, PQ, PQ3)
Russian - GOST 19527-74(ф59, ф76, ф93, ф112,  ф132).

Working with high quality materials and proven distribution network, GEOMA creates lasting and loyal customer relationships.