Ready to Ship
Fast dispatch
In stock

12" DHD112 SD12 NUMA120 NUMA125 DTH hammer bit

$4,000.00
Min. Order
1 Piece
Choose your specifications
Company Information

Changsha Tianhe Drilling Tools And Machinery Co., Ltd.

CN Manufacturer, Trading Company
Response Time
<24h
Response Rate:
83.3%
Transactions
US$ 9,000+
9 Years Paid Supplier Supplier Trade Assurance
Learn More

Quick Details

Place of Origin: Hunan China
Brand Name: Tianhe
Type: DTH hammer
Machine Type: Drilling Tool
Certification: ISO9001:2008
Material: Carbide
Processing Type: Forging
Use: Well drilling and rock drilling
Type: Air hammer
Rock drilling tool: DTH hammer
Color: Gold
Material: carbide
Processin Type: Forging
DTH bit shank model: DHD112 SD12 NUMA120 NUMA125
Selling Units: Single item
Single package size: 60X30X20 cm
Single gross weight: 25 KG
Package Type: Inner package with cartons,outer package with wooden cases

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

1.jpg

 

 

 

 

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

 

   

 

              1.jpg                                                           

 

IMG_0176.jpg

 

 

12 hammer.jpgDHD112(12.jpg