Standard Open bearing bit
Mine: Major Copper mine, Peru
Type & Designation: 12 ¼” CN71
Product Number: M10454
Bit Number: 923120376
Bit life: 2412m ( increase of 30% over earlier performance)
End of Life : Gage row carbide wear
Cenerg Avg. Life: 2138 Meters
Competitor Avg life: 1519 Meters
Standard Open bearing bit
Mine: Major Copper mine, Peru
Type & Designation: 10 5/8 CN51S
Bit Number: 823121281
Bit life: 4345m
End of Life : Coring
Cenerg Avg. Life: 2138 Meters
Competitor Avg Life: 1885 Meters
Standard Open bearing bit
Mine: Major Copper mine, Chile
Type & Designation: 10 5/8 CN71
Bit Number: 822050317
Bit life: 937m
End of Life : Worn out inserts
Cenerg Avg. Life: 762 Meters
Competitor Avg Life: 650 Meters