Mining

Blasthole drills

To meet your drilling and blasting objectives, look to powerful and reliable P&H rotary and down-the-hole blasthole drills. Designed for challenging operating environments, including arctic, high altitude and weak power grid mines.

Close up of drill on ZR77 blasthole drill

Track drillsTrack drills(1) Rotary drillsRotary drills(3)

ZT44

Horsepower 597 kW @ 2 100 rpm 800 HP @ 2,100 rpm
Compressor 38.5 CMM @ 34.5 bar 1,360 CFM @ 350 psi
Hole range 140 - 220 mm 5.5 - 8.5 in

ZR77

Hole diameter 200 - 270 mm 7 7/8 - 10 5/8 in
Bit loading 34 925 kg 77,000 lbs.
Single pass hole depth 16.8 m 55 ft.

ZR122

Hole diameter 349 mm 13 3/4 in
Bit loading 55 338 kg 122,000 lbs.
Single pass hole depth 20 m 65 ft.

320XPC

Hole diameter 270 - 444 mm 10 5/8 - 17 1/2 in
Bit loading 68 038 kg 150,000 lbs.
Single pass hole depth 19.8 m 65 ft.

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We have had dramatic results in the past month, drilling-wise. We can say that Komatsu’s presentation and training served as a hard reset of the drilling culture here. Our positive approach worked wonders and the operators really got with the program.

Recalibrating bit drilling culture: A case study in eastern Canada

An offering of Komatsu's drill options

A suite of drill options engineered to handle varying conditions, including weak power grids, extreme temperatures and high altitude.

Surface mining industry

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Blasthole drills

An offering of Komatsu's drill options

Surface mining industry

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