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Down the hole hammer

  • Feature&Introduction
  • Engine/Compressor
  • Technical parameter

KAISER produce reliable quality DHD series, QL series high pressure down the hole hammer.


Application Range

It is widely applied to all kinds of rock drilling and excellent for casing systems and water well drilling

Desigh Principles

To pursuit smooth operation and reliability

Outstanding advantage

The simple structure ensures the wasy operation and maintenance. The good seal effect eliminates the problems caused by water and flushing entering into the inner cylinder of hammer. They also have the features of large impact power, smooth and stable speed, and long service life


DHD3.5 Main technical parameter

Description

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

DHD3.5

DHD3.5

API 2 3/8" REG PIN

79

991

28

57

90-110

Working pressure (bar) Impact Frequency at 17 bar(Hz) Normal Axial Pressure(kN) Recommended Rotation Speed(r/min) Air Consumption(m³/min)
10.5-24 28 5.1 30-50 10.5bar 17bar 24bar
4.4 7.3 13.8

The same size hammer

Description

Thread connection

Outside Diameter

Rec. Hole Size

Working Pressure

Length without bit

Weight

mm

mm

Mpa

mm

kg

DHD3.5

API 2 3/8" Reg PIN

80

90-125

0.6-2.1

990

27

M390

API 2 3/8" Reg PIN

80

87-100

0.6-2.1

985

27

COP32

API 2 3/8" Reg PIN

80

86-100

0.6-2.1

991

28

COP34

API 2 3/8" Reg PIN

80

90-110

0.6-2.1

991

28

QL30

API 2 3/8" Reg PIN

80

90-125

0.6-2.1

985

27

XL3

API 2 3/8" Reg PIN

80

90-125

0.6-2.1

985

27

 

 

DHD340 Main technical parameter

 

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

DHD340

230000

DHD340

COP44

API 2 3/8" REG PIN

98

1045

38

65

105-138

Working Pressure (bar)

Impact Frequency at 17 bar

Normal Axial Pressure(kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

10.5-24

27

7.1

30-50

10.5bar

17bar

24bar

7

12

17.2

Hammer Matching to other bit

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

QL4

230001

QL4

API 2 3/8" REG PIN

98

1041

37

65

105-138

SD4

230002

SD4

1040

37

Misson40

230003

Misson40

1042

37

MACH44

220005

MACH44

1041

37

COP42

230008

COP42

1045

38

XL4

237000

XL4

1040

37

 

DHD350 Main technical parameter

Description

 

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

DHD350

 

DHD350

COP54

API 2 3/8" REG PIN

or

API 3 1/2" REG PIN

124

1214

57

74.5

138-165

Working Pressure (bar)

Impact Frequency at 17 bar (Hz)

Normal Axial Pressure (kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

12-24

25

9.2

30-50

12bar

17bar

24bar

8.2

14.9

23.4

Hammer Matching to other bit

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

QL50

240001

QL50

API 2 3/8" REG PIN

or

API 3 1/2" REG PIN

124

1208

58

74.5

138-165

SD5

240002

SD5

1206

59

XL5

240004

XL5

1206

57

Mission50

240005

Mission50

1208

59

MACH50

242000

MACH50

1126

58

 

DHD360 Main technical parameter

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

DHD360

252000

DHD360

COP64

API 3 1/2" REG PIN

142

1300

98

102

152-203

Working Pressure (bar)

Impact Frequency at 17 bar (Hz)

Normal Axial Pressure(kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

14-24

23

10.2

30-50

14bar

17bar

24bar

14.1

19.5

30

Hammer Matching to other bit

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

QL50

240001

QL50

API 2 3/8" REG PIN

or

API 3 1/2" REG PIN

124

1208

58

74.5

138-165

SD5

240002

SD5

1206

59

XL5

240004

XL5

1206

57

Mission50

240005

Mission50

1208

59

MACH50

242000

MACH50

1126

58

 

DHD380 Main technical parameter

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

DHD380

260000

DHD380

COP84

API 4 1/2" REG PIN

180.3

1522

190

150

199-216

Working Pressure (bar)

Impact Frequency at 17 bar(HZ)

Normal Axial Pressure(kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

13-25

20

18.3

30-40

14bar

21bar

24bar

22.5

28.2

39.6

Hammer Matching to other bit

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Lengt, h Without Bit(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

QL80

260001

QL80

API 4 1/2" REG PIN

180

1515

190

150

203-271

Mission80

260003

Mission80

1515

188

MACH80

260005

MACH80

1522

190

SD8

261000

SD8

1492

195

 

DHD112 Main technical parameter

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

, (mm)

DHD112

280000

DHD112

API 6 5/8" REG PIN

275

1938

<, P align=center>675

_

311-444.5

Working Pressure (bar)

Impact Frequency at 17 bar (HZ)

Normal Axial Pressure(kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

17-24

17

25

30-40

17bar

21bar

24bar

45.3

54.5

62.3

Hammer Matching to other bit

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

QL120

280001

QL120

API 6 5/8" REG PIN

275

1940

678

_

311-444.5

SD12

280002

SD12

1928

665

MACH120

280003

MACH120

1940

678

 

KD389 Main technical parameter

 

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

KD398

470000

TH398

API 8 5/8" Reg PIN

398

2007

2350

_

500-570

Working Pressure (bar)

Impact Frequency at 17 bar (HZ)

Normal Axial Pressure(kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

17-24

15

34.5

30-40

17bar

21bar

24bar

53.5

68.8

78.8

 

KD600 Main technical parameter

 

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

KD600

530000

TH600

API 8 5/8" REG PIN

600

2296

4180

_

720-1000

Working Pressure (bar)

Impact Frequency at 17 bar (HZ)

Normal Axial Pressure(kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

17-24

14

42

30-40

17bar

21bar

24bar

67.6

78.4

92.8

 

KG5Main technical parameter

 

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

KG5

24C000

COP54

API 2 3/8" REG PIN

or

API 3 1/2" REG PIN

125

1069

62

74.5

138-165

Working Pressure (bar)

Impact Frequency at 17 bar

Normal Axial Pressure(kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

12-24

25

9.2

30-50

12bar

17bar

24bar

8.2

14.9

23.4

Main Specification------KG3.5, KG4, KG5, KG6, KG6.5, KG8

Hammer Matching to other bit

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

Mission50

24C001

Mission50

API 2 3/8" REG PIN

or

API 3 1/2" REG PIN

125

1090

58

74.5

138-165

SD5

24C002

SD5

1090

59

QL5

24C003

QL5

1084

57

XL5

24C004

XL5

1090

59

MACH50

24C005

MACH50

1090

58

 

KSD180 Main technical parameter

 

 

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

KSD180

264000

TS180

API 4 1/2" REG PIN

180

1551

195

150

203-271

Working Pressure (bar)

Impact Frequency at 17 bar (HZ)

Normal Axial Pressure(kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

14-24

20

18.3

30-40

14bar

21bar

24bar

22.5

28.2

39.6

Application Range

To drill deep holes for oil and gas exploitation, water well, and other projects boring holes with depth 300 meters above and diameters 216mm above

KSD275 Main technical parameter

 

,

Description

Product Code

Bit Shank

Thread Connection

Outside Dia. (mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

KSD275

281000

TS275

API 6 5/8" REG PIN

275

2032

684

_

311-444.5

Working Pressure (bar)

Impact Frequency at 17 bar (HZ)

Normal Axial Pressure(kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

17-24

17

25

30-40

17bar

21bar

24bar

45.3

54.5

62.3

Application Range

To drill deep holes for oil and gas exploitation, water well, and other projects boring holes with depth 300 meters above and diameters 216mm above

 

KSD300 Main technical parameter

 

Description

Product Code

Bit Shank

Thread Connection

Outside Dia.

(mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

KSD330

440000

TS330

API 7 5/8" REG PIN

330

2389

1030

_

445-600

Working Pressure (bar)

Impact Frequency at 17 bar (HZ)

Normal Axial Pressure (kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

17-24

16

31.5

30-40

17bar

21bar

24bar

49.3

62.5

70.3

 

Application Range

To drill deep holes for oil and gas exploitation, water well, and other projects boring holes with depth 300 meters above and diameters 216mm above

KSD398 Main technical parameter

 

Description

Product Code

Bit Shank

Thread Connection

Outside Dia.

(mm)

Length Without Bit

(mm)

Weight

(kg)

Flat Wrench

(mm)

Rec. Hole Size

(mm)

KSD398

471000

TS398

API 8 5/8" Reg PIN

398

2100

2360

_

500-570

Working Pressure (bar)

Impact Frequency at 17 bar (HZ)

Normal Axial Pressure(kN)

Recommended Rotation Speed(r/min)

Air Consumption(m³/min)

17-24

15

34.5

30-40

17bar

21bar

24bar

53.5

68.8

78.8

Application Range

To drill deep holes for oil and gas exploitation, water well, and other projects boring holes with depth 300 meters above and diameters 216mm above

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