QL80 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.

QL80 General Specifications:

	Standard		Quarry
	English	Metric	English	Metric
Standard drill pipe connection (see options)	4-1/2 API reg pin		4-1/2 API reg pin
Outside diameter (inch & mm)	7.1	181	7.1	181
Length w/o bit shoulder to shoulder (inch & mm)	57.5	1,461	57.5	1,461
Length with bit extended (inch & mm)	63.5	1,612	63.5	1,612
Length with bit retracted (inch & mm)	61.7	1,567	61.7	1,567
Weight w/o bit (lb & kg)	446	203	446	203
Backhead across flats (inch)	2 x 5-7/8 AF		2 x 5-7/8 AF
Minimum bit size (inch & mm)	7.9	200	7.9	200
Maximum bit size (inch & mm)	12.0	305	12.0	305
Bore (inch & mm)	5.9	149	5.9	149
Piston weight (lb & kg)	112	51	117	53
Stroke (inch & mm)	3.75	95	2.75	70
Maximum pressure differential (psig & bar)	350	25	350	25
Maximum choke diameter (inch & mm)	0.50	12.7	0.50	12.7
Make-up torque (ft-lb. & N-m)	8,000	10,832	8,000	10,832
Shank style	QL80		QL80

 

Air Consumption:

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