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ROCK ROLLERS
Rock Rollers are the unique product of BMC. This rigid product made for giving strong support to your drilling needs.
Why choose us?
32 Year's of Expertise
Industry Leader
The Trust of 60 Countries
Excellence After Sale Support
Technical Specifications
Drill Bit Specification Milled Tooth
BMC MT rock bits has three basic classifications
M-10 for soft
M-20 for soft to medium formation
M-30 for medium to hard formation
Drill Bit Specification TCI Bit
BMC TCI rock bit has four basic classifications
BMC for soft formation
BMC soft to medium
BMC medium to hard formation
BMC for hard formation
Formation types
Principle difference for the "M-series bits" are in cutting structure which are formation specific.
Soft to medium formation:low-abrasive such as shale, limestone, sandstone, and alluvial deposits
Medium to hard formation : semi-abrasive such as hard, sandy limestone, shale, dolomite and limestone
Hard formation : abrasive such as limestone, sandstone, dolomite, quartzite, granite, iron ores, and copper ores.
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