
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