TD85/90 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.

TD85/90 Specifications

General Specifications:

	TD85 Standard		TD90 Standard
	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)	7.75	197	7.75	197
Length w/o bit shoulder to shoulder (inch & mm)	55.5	1,410	55.5	1,410
Length with bit extended (inch & mm)	63.8	1,619	63.8	1,619
Length with bit retracted (inch & mm)	62.0	1,575	62.0	1,575
Weight w/o bit (lb & kg)	525	239	525	239
Backhead across flats (inch)	6-1/2 x 2 AF		6-1/2 x 2 AF
Minimum bit size (inch & mm)	8.75	222	8.75	222
Maximum bit size (inch & mm)	12.00	305	12.00	305
Bore (inch & mm)	6.312	160	6.312	160
Piston weight (lb & kg)	119	54	119	54
Stroke (inch & mm)	4.0	102	4.0	102
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		TD90

Air Consumption (AIRselect as shipped):