Here come some big bits

SANDVIK and Caterpillar are rolling out bits for large rotary drills, with the former updating one of its stalwarts and the latter bringing its take on the Tricone bit to Australia.

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Caterpillar's tricone bit for rotary drills.

The Sandvik RR441 is an improved version of the RR440 and is designed to last up to 140% longer than the R222 rotary drilling bit - the previous equivalent product.