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DHD5 Classic Hammer

 

DHD5

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.

 

DHD5 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)
4.5
115
4.9
124
Length w/o bit shoulder to shoulder (inch & mm)
46.0
1,168
46.0
1,168
Length with bit extended (inch & mm)
51.0
1,295
51.0
1,295
Length with bit retracted (inch & mm)
49.5
1,257
49.5
1,257
Weight w/o bit (lb & kg)
151
69
162
74
Backhead across flats (inch)
2 x 3-1/2 AF
2 x 3-1/2 AF
Minimum bit size (inch & mm)
5.1
130
5.5
140
Maximum bit size (inch & mm)
6.0
152
6.0
152
Bore (inch & mm)
3.6
92
3.6
92
Piston weight (lb & kg)
34
15
34
15
Stroke (inch & mm)
4.0
102
4.0
102
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)
5,000
6,770
5,000
6,770
Shank style
DHD350
DHD350

 

Request info

 

Air Consumption:

 

 
DHD5
100 psi/6,9 bar (scfm & l/s)
175
83
blows per minute
1,269
150 psi/10,3 bar (scfm & l/s)
283
133
blows per minute
1,380
200 psi/13,8 bar (scfm & l/s)
396
187
blows per minute
1,489
250 psi/17,2 bar (scfm & l/s)
513
242
blows per minute
1,596
300 psi/20,7 bar (scfm & l/s)
634
299
blows per minute
1,701
350 psi/24,1 bar (scfm & l/s)
760
358
blows per minute
1,804
400 psi/27,6 bar (scfm & l/s)
889
419
blows per minute
1,905
435 psi/30,0 bar (scfm & l/s)
982
463
blows per minute
1,974
Above specifications/ratings are based on initial factory setting.