Drill Bits

GRM has tied up with manufacturers to offer more than 1000 of conventional types and sizes of roller cone bits for oil and gas industry ranging from 2 15/16 to 26, more than 80 types and sizes of mining rock bits ranging from 5 1/8 to 15 ½, more than 350 PDC bit designs ranging from 3 ¼ to 17 ½  as well as core heads, centralizers and calibrators.

Product range

Our partner engineer have patented about 3000 inventions related to drill bit design and production, more than 1.5 thousands innovations have been implemented into the process.

Three Cone Drill Bits:

• Slimhole Line
• Slimhole Pro Line
• Grand Product Line
• Grand Pro Line
• Motor Line
• Motor Pro Line
• Strom Line
• Standard Line

PDC Drill Bits:

• Fast Drill Line
• Smart Fast Drill Line
• Fast Drill Matrix Line
• Bicentric Drill line
• Side Track Line