QL60/65 Quantum Leap Hammer

Atlas Copco Rock Drilling Tools -
Secoroc Down the Hole Equipment

Strong Performance and Affordability

Our Quantum Leap product line is available for those seeking a good balance between strong performance and cost. This product line was the drilling industry's first hybrid combination of valve and valveless air cycle down-hole drills. Setting many industry benchmarks, the Quantum Leap line continues to offer good value.

QL60/65 General Specifications:

	Standard		Quarry
	English	Metric	English	Metric
Standard drill pipe connection (see options)	3-1/2 API reg pin		3-1/2 API reg pin
Outside diameter (inch & mm)	5.4	138	5.75	146
Length w/o bit shoulder to shoulder (inch & mm)	44.6	1,132	44.6	1,132
Length with bit extended (inch & mm)	49.5	1,256	49.5	1,256
Length with bit retracted (inch & mm)	48.1	1,221	48.1	1,221
Weight w/o bit (lb & kg)	200	91	244	111
Backhead across flats (inch)	2 x 4 AF		2 x 4 AF
Minimum bit size (inch & mm)	6.0	152	6.5	165
Maximum bit size (inch & mm)	8.5	216	8.5	216
Bore (inch & mm)	4.5	114	4.5	114
Piston weight (lb & kg)	43	19	43	19
Stroke (inch & mm)	3.75	95	3.75	95
Maximum pressure differential (psig & bar)	350	25	350	25
Maximum choke diameter (inch & mm)	0.38	9.6	0.38	9.6
Make-up torque (ft-lb. & N-m)	6,000	8,124	6,000	8,124
Shank style	QL60		QL60

 

Air Consumption:

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