Post on 07-Jul-2018
8/18/2019 Martillo DHD.pdf
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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 thirty years.
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8/18/2019 Martillo DHD.pdf
2/2
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100 psi/ 6,9 bar (scfm & l/s) blows per minute
150 psi/ 10,3 bar (scfm & l/s)
blows per minute
200 psi/ 13,8 bar (scfm & l/s)
blows per minute
250 psi/ 17,2 bar (scfm & l/s)
blows per minute
300 psi/ 20,7 bar (scfm & l/s)
blows per minute
350 psi/ 24,1 bar (scfm & l/s)
blows per minute
400 psi/ 27,6 bar (scfm & l/s)
blows per minute
435 psi/ 30,0 bar (scfm & l/s)
blows per minuteAbove specifications/ratings are based on initial factory
setting
Standard Quarry
English Metric English Metric
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ëï îí ê ðï
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C O N N E C T I O N S
2 3 / 8 r e g p i n
2 - 3
/ 8 r e g b o x
2 - 7
/ 8 I F p i n
2 - 7
/ 8 I F b o x
2 - 7
/ 8
r e g p i n
2 - 7
/ 8
r e g b o x
3 - 1
/ 2
r e g p i n
3 - 1
/ 2 r e g b o x
3 - 1
/ 2 I F p i n
3 - 1
/ 2 B E C O p i n
4 F H
p i n
4 B E C O
p i n
4 - 1
/ 2
r e g p i n
4 - 1
/ 2 B E C O p i n
B l a n k B a c k h e a d
N o B a c k h e a d
P H Y S I C A L F E A T U R E S
S t a n d a r d
D e e p H o l e
M i z e r
Q u a r r y M i n i n g
L o w P
r e s s u r e
H i g h F r e q u e n c y
Air Consumption:General Specifications
31/2 API reg pin 31/2 API reg pin
4.5 115 4.9 124
46.0 1168 46.0 1168
51.0 1295 51.0 1295
49.5 1257 49.5 1257
151 69 162 74
2x31/2 AF 2x31/ 2 AF
5.1 130 5.5 140
6.0 152 6.0 152
3.6 92 3.6 92
34 15 34 15.5
4.0 102 4.0 102
350 25 350 25
0.38 9.6 0.38 9.6
5000 6770 5000 6770
DHD350 DHD350
Standard drill pipe connection (see options)
Outside diameter (in & mm)
Length w/o bit shoulder to shoulder (in &mm)
Length with bit extended (in & mm)
Length with bit retracted (in & mm)
Weight w/o bit (lb & kg)
Backhead across flats (in)
Minimum bit size (in & mm)
Maximum bit size (in & mm)
Bore (in & mm)
Piston weight (lb & kg)
Stroke (in &mm)
Maximum pressure differential (psig & bar)
Maximum choke diameter (in & mm)
Make-up torque (ft-lb & N-m)
Shank style
Atlas Copco Secoroc offers a wide range of bit body designs
and button inserts to meet your specific drilling requirements.
Consult the Drill Bits catalogue, or contact your local sales
office for details.
DHD5
175 83 1,269
283 133
1,380
396 187
1,489
513 242
1,596
634 299
1,701
760 358
1,804
889 419
1,905
982 463
1,974
Part Information Prod. code Part No. Description
52334315 9705-05-40-00 DHD5 X X
51236198 9705-06-40-00 DHD5 X X
51367076 9705-05-40-01 DHD5 X X X51374767 9705-00-40-07 DHD5 X X
51299592 9705-05-42-00 DHD5W X X
51730059 9705-02-42-00 DHD5W X X
52334323 9705-05-43-08 DHD5.5QM X X X X
51375384 9705-05-43-01 DHD5.5QM X X X X X
DHD5 Rebuild Kits & Accessories*
52290947 9705-05-40-00-04 DHD5 E-Kit X X
52290962 9705-02-40-00-040 DHD5 E-Kit X X
* In addition to new externals, rebuild kits also contain internal hardware needed to insure your rebuild is good from the inside out.
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