TD35 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.

TD35 General Specifications:

	Standard
	English	Metric
Standard drill pipe connection (see options)	2-3/8 API reg pin
Outside diameter (inch & mm)	3.13	79
Length w/o bit shoulder to shoulder (inch & mm)	31.4	799
Length with bit extended (inch & mm)	35.2	894
Length with bit retracted (inch & mm)	33.9	862
Weight w/o bit (lb & kg)	65	30
Backhead across flats (inch)	1-3/4 x 2-1/2 AF
Minimum bit size (inch & mm)	3.5	90
Maximum bit size (inch & mm)	3.9	100
Bore (inch & mm)	2.5	64
Piston weight (lb & kg)	12	5.5
Stroke (inch & mm)	4.0	102
Maximum pressure differential (psig & bar)	350	25
Maximum choke diameter (inch & mm)	0.35	8.9
Make-up torque (ft-lb. & N-m)	3,000	4,062
Shank style	DHD3.5

Air Consumption (AIRselect as shipped):

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