Machines 10T-15T

MODEL A8 RC8
Drilling conditions General Combo rock / earth
Hub 2.5″ Hex 2.5″ Hex
Optional Hub 3″ Hex 3″ Hex
Overall length 60″ 60″
Pipe 3″ – 6.5″ 3″ – 6.5″
Flights (lead) 3 / 8″ 3 / 8″
Flights (carry) 3 / 8″ 3 / 8″
Teeth TM TTD / TTS
Pilot PM – HX – 3 PH – 3
Max size 70″ 70″
Ideal drives 9DDS – 16DDS 9DD – 12DD
Optimum drilling speeds
Earth 55-65 55-65
Clay 45-55 45-55
Shale (fracturable rock) 25 – 45 25 – 45
Heavy rock N / A 10 – 25
Earth Double flight configuration. Heavy duty body for greater strength with larger machines provide for optimum drilling on mid sized machines.

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