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DHD60/65 Classic Hammer

 

DHD60-65

Atlas Copco Rock Drilling Tools -
Secoroc Down the Hole Equipment

 

Time-Tested Design

 

Our DHD Classic product line is available for drilling contractors, owner-operators, and large corporations who are specifically looking for the lowest priced drill. This time-tested design is practically bullet proof -- it has been in continuous, successful use in the industry for over 30 years.

 

 

DHD60/65 General Specifications:

AWDS logo
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)
5.44
138.2
5.75
146.1
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

 

Request info

 

Air Consumption:

 

 
Standard
100 psi/6,9 bar (scfm & l/s)
305
144
blows per minute
1,270
150 psi/10,3 bar (scfm & l/s)
431
203
blows per minute
1,370
200 psi/13,8 bar (scfm & l/s)
561
265
blows per minute
1,470
250 psi/17,2 bar (scfm & l/s)
695
328
blows per minute
1,570
300 psi/20,7 bar (scfm & l/s)
832
392
blows per minute
1,670
350 psi/24,1 bar (scfm & l/s)
973
459
blows per minute
1,770
400 psi/27,6 bar (scfm & l/s)
1,117
527
blows per minute
1,870
435 psi/30,0 bar (scfm & l/s)
1,220
575
blows per minute
1,940
Above specifications/ratings are based on initial factory setting.