Boart Longyear has colour-coded its Diamond Bit Series to make it easier to select and use them
Boart Longyear has colour-coded its Longyear Diamond Bit Series to make it easier to select and use bits for every type of ground condition, with each colour corresponding to specific hardness ratings found on the standard Mohs hardness scale
Using novel metallurgy, Boart Longyear has successfully created a chemical bond between diamond and matrix for use in its drill bits. Diamond coating provides higher diamond projection - up to 80 per cent...
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