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DTH hammer

Item No.: 00544
Model Number:  DHD112/SD12/QL120/NUMA1
Size: 3''/4''/5''/6''/8''/10''/12''/18''/24''
Sale: 0
Description Review
Description

Product Name:

DTH  hammer

Description:

DTH hammer

DTH hammers are used for blast hole drilling and water well drilling project.

Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining,

Marble quarry or well drilling and other construction projects.

Quality level:

95% similarity to COP/SD/MISSION/QL/BR/DHD etc famous brand

MOQ:

No requirement for testing and trial order

Series:

COP/ SD/ DHD/ IR/ Mission/ QL/ BR/ CIR etc

Specification:

Weight (kg)

External Diameter (mm)

Connection thread

Hole rang (mm)

Impact rate

Recommended rotation speed

Low air pressure DTH hammer CIR type

5 ~22

50~180

CIR**

55~200

820 rpm

Middle air pressure BR & COP type

10~30

70~110

85~115

3 inch DTH hammer

COP34/QL30 etc

24.5

81

API 2 3/8” Reg

90~110

28Hz (at 17 bar)

28 r/min

4 inch DTH hammer

COP44/DHD340 etc

39.2

99

API 2 3/8” Reg

110~150

27Hz (at 17 bar)

25~40 r/min

5 inch DTH hammer

COP54/Mission50 etc

71.5

125

API 2 3/8” or API 3 1/2” Reg

135~165

25Hz (at 17 bar)

20~30 r/min

6 inch DTH hammer

COP64/QL60 etc

98

142

API 3 1/2” Reg

152~216

23Hz (at 17 bar)

15~25 r/min

8 inch DTH hammer

COP84/SD8 etc

188

180

API 4 1/2” Reg

203~305

20Hz (at 17 bar)

15~20 r/min

Product picture

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