Changsha Tianhe Drilling Tools And Machinery Co., Ltd.
Main products:DTH Hammer,Button Bit,Drilling Rig
Products
Contact Us
  • Contact Person : Ms. Huang Spring
  • Company Name : Changsha Tianhe Drilling Tools And Machinery Co., Ltd.
  • Tel : 86-731-84456185,13077324210
  • Fax : 86-731-84456185
  • Address : Hunan,Changsha,Lianfeng Country, Hanpu Town, Yuelu Section
  • Country/Region : China
  • Zip : 410000

12" TH275 DTH hammer

12" TH275 DTH hammer
Product Detailed
TH275 DTH hammer: valveless hammer Certificate: ISO9001:2008, SONCAP Material:Carbide Long service life

Usage: Drill holes from 311 mm to 445mm.

Matched products: drill rods with API 5 1/2"REG BOX

                               bits with Ql120,MACH120,SD12 shanks

Application fields: all kinds of fields, such as mining, quarry, tunnel, bridge, construction and etc., but extremely exellent to use with casing tubes during casing drilling.

Features: high impact power with low frequency, long service life, non-return flushing, reliable performance.

Techincal Parameters

Description

Product 

Code

Bit 

Shank

Thread 

Connection

Outer

 Dia.

 (mm)

Length

Without 

Bit

(mm)

Weight

(kg)

Flat

Wrench

(mm)

Rec.

Hole

Size

(mm)

TH275

280000

DHD112

API 6 5/8"

 REG PIN

275

1938675-

311-445

Working 

Pressure

 (bar)

Impact 

Frequency

at 17 bar

(Hz)

Normal

 Axial 

Pressure

(kN)

Rec.

Rotation 

Speed

(r/min)

Air

Consumption

(m³/min)

17-24

1725

30-40

17bar

21bar

24bar

45.3

54.5

62.3

Hammers Matching To Other Bits

Description

Product 

Code

Bit

Shank

Thread

Connection

Outer

Dia. (mm)

Length 

Without 

Bit

(mm)

Weight

(kg)

Flat

Wrench

(mm)

Rec. 

Hole 

Size

(mm)

TH275-QL120

280001

QL120

API 6 5/8" REG PIN

275

1940

678

_

311-444.5

TH275-SD12

280002

SD12

1928

665

TH275-MACH120

280003

MACH120

1940

678

Working

 Pressure

 (bar)

Impact 

Frequency 

at 

17 bar

Normal 

Axial 

Pressure(kN)

Rec.

Rotation 

Speed

(r/min)

Air

Consumption

(m³/min)

    17-24 

17     

25

30-40 

17bar

45.3

21bar

54.5

24bar

62.3

12" TH275 DTH hammer



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