TD50/55 Total Depth Hammer

Atlas Copco Rock Drilling Tools - Secoroc Down the Hole Equipment

Maximum Productivity

Our Total Depth product line is the best for drilling contractors, owner-operators, and large corporations seeking maximum productivity from their costly drill rig investment. This product line delivers industry-leading drilling performance using state-of-the-art technology. Our hybrid valved/valveless design maximizes the productivity of your air compressor. An enlarged piston bore coupled with accurate matching of piston-to-bit weight deliver the industry's highest power output.

TD50/55 Specifications

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)	4.8	122	5.1	129
Length w/o bit shoulder to shoulder (inch & mm)	41.8	1,061	41.8	1,061
Length with bit extended (inch & mm)	46	1,169	46	1,169
Length with bit retracted (inch & mm)	44.9	1,142	44.9	1,142
Weight w/o bit (lb & kg)	153	70	178	81
Backhead across flats (inch)	2-1/4 x 3-1/2 AF		2-1/4 x 3-1/2 AF
Minimum bit size (inch & mm)	5.3	134	5.5	140
Maximum bit size (inch & mm)	6.0	152	6.0	152
Bore (inch & mm)	3.9	100	3.9	100
Piston weight (lb & kg)	33	15	33	15
Stroke (inch & mm)	3.8	95	3.8	95
Maximum pressure differential (psig & bar)	350	25	350	25
Maximum choke diameter (inch & mm)	N/A	N/A	N/A	N/A
Make-up torque (ft-lb. & N-m)	5,000	6,770	5,000	6,770
Shank style	QL50		QL50

Air Consumption (AIRselect as shipped):