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Rotary drill bits

RR440

Bearing type
Sealed journal bearing
Cutting structure
QX2 series
Bit sizes
200.00 - 311.00 mm (7.67 - 12.24 ) in.
RR440 rotary drill bit side black background

Charger™ RR440 is a sealed journal-bearing blasthole bit designed for surface mining with up to 169% longer lifetime and a lower cost per meter than standard air bits.

Features

Product specifications

Bearing type
Sealed journal bearing
Cutting structure
QX2 series
Bit sizes
200.00 - 311.00 mm (7.67 - 12.24 ) in.
PowerCarbide®
Optional SH75 grades
Bit weight
35.000 - 98.000 kg (77.000 - 216.000 lb)
Charger RR440 rotary drill bit side white background
Ranger™ DXi white background
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