Drill rod
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DTH Drill Pipe  
DTH drill pipes are widely used in mining,water well drilling,geothermal,oil and all kinds of DTH rock drilling,with high quality low carbon steel to ensure good resistance to strengthen and tensile,friction welded to ensure the adapter and pipe connect tightly as a whole set the cyclic extrusion-compression ensure reliable pipe    

Specification:
(2”)50mm   DTH drill pipe  with  API 2 3/8 REG 1000-3000m length
60mm   DTH drill pipe  with  API 2 3/8 REG 1000-3000m length
(3”)76mm   DTH drill pipe  with  API 2 3/8 REG 1500-3000m length
(3 1/2”)89mm   DTH drill pipe  with  NC26( API 2 3/8 REG) 1500-3000m length
(4”)102mm   DTH drill pipe  with  NC31( API 2 7/8 REG) 1500-6000m length
(4 1/4”)108mm   DTH drill pipe  with  NC31( API 2 7/8 REG) 1500-6000m length
(4 1/2”)114mm   DTH drill pipe  with  NC31( API 2 7/8 REG)or NC35 1500-6000m length
(5”)127mm   DTH drill pipe  with  NC38( API 3 1/2 IF) 1500-6000m length

No.

Specifications (mm)

Craft

Connection type

Diameter

Length

Thread type

1

50

1000-3000

API 2 3/8 REG

Friction welding

Box/pin

2

60

1000-3000

API 2 3/8 REG

Friction welding

Box/pin

3

76

1500-3000

API 2 3/8 REG

Friction welding

Box/pin

4

89

1500-3000

NC26(2 3/8 IF)

Friction welding

Box/pin

5

102

1500-6000

NC31 (2 7/8 IF)

Friction welding

Box/pin

6

108

1500-6000

NC31 (2 7/8 IF)

Friction welding

Box/pin

7

114

1500-6000

NC31 (2 7/8 IF)or NC35

Friction welding

Box/pin

8

127

1500-6000

NC38(3 1/2 IF)

Friction welding

Box/pin

DTH Drill Pipe with API NC thread
DTH drill pipes are widely used in mining,water well drilling,geothermal,oil and all kinds of DTH rock drilling,with high quality low carbon steel to ensure good resistance to strengthen and tensile,friction welded to ensure the adapter and pipe connect tightly as a whole set the cyclic extrusion-compression ensure reliable pipe

Specification:
(3 1/2”)89mm    DTH drill pipe  with  NC26( API 2 3/8 REG)          1500-3000m length
(4”)102mm   DTH drill pipe  with  NC31( API 2 7/8 REG)             1500-6000m length
(4 1/4”)108mm   DTH drill pipe  with  NC31( API 2 7/8 REG)          1500-6000m length
(4 1/2”)114mm   DTH drill pipe  with  NC31( API 2 7/8 REG)or NC35   1500-6000m length
(5”)127mm   DTH drill pipe  with  NC38( API 3 1/2 IF)               1500-6000m length

No.

Specifications (mm)

Craft

Connection type

Diameter

Length

Thread type

1

89

1500-3000

NC26(2 3/8 IF)

Friction welding

Box/pin

2

102

1500-6000

NC31 (2 7/8 IF)

Friction welding

Box/pin

3

108

1500-6000

NC31 (2 7/8 IF)

Friction welding

Box/pin

4

114

1500-6000

NC31 (2 7/8 IF)or NC35

Friction welding

Box/pin

5

127

1500-6000

NC38(3 1/2 IF)

Friction welding

Box/pin

Water Well Drill Pipe
Our water well drill pipes can be used to projects of water well drilling, geothermal well drilling, pipe-shed support drilling and so on. They are widely used by our domestic and abroad customers. We also suppply down-the-hole drill pipes, oil drill pipes and non-dig drill pipes, drilling equipments and some other drilling tools. 
Specification of water well drill pipes 
50mm   water well drill pipe  for 200m drill rig 
60mm   water well drill pipe  for 400m drill rig 
76mm   water well drill pipe with API thread 
89mm   water well drill pipe with API thread 
114mm  water well drill pipe with API thread 
127mm  water well drill pipe with API thread 
1. Material of pipe body: DZ40, DZ50, R780, G105, etc 
2. Material of pipe joint: 40Cr, 45Mn2, 35CrMo, 4137H, etc

  Outside    diameter

50

60

73

89

102

114

127

Outside diameter of joint(mm)

65

75

105

127

133.4

158.8

168

Thickness(mm)

6.5

7.1

9.19

9.5/10

8.38

8.56

9.19

Length(mm)

1000~4500

1000~4500

1500~9500

1500~9500

3000~9500

1500~9500

5000-9500


Standard

ASTM, BS, JIS, DIN,GB

O.D.

1/2"-24"   10-610mm

W.T.

SCH10--XXS   1.5-60mm

Length

5m-12m

End protection

Plastic caps

Outside Coating

Black painting, anti-corrosion oil, galvanized or  
as per required by customers

Packing

Wrapped in bundles by steel strips/bulk

Delivery

By sea container

Production Capacity

5000 tons per month

Delivery time

10-30days depend on your quantity

Tolorance

OD :+1% / -1%  WT: +12.5% / -10%

Application

Transportation of oil,gas or fluid,Construction, 
Electricity,Machine building industy, 
Chemical industy,Petroleum,Traffic.

Main market

Asia, India, Middle East, America, Europe,Africa

Ttaper drill rod 
Shank Hex:19mm*83/108mm, 22m*83/108mm, 25mm*108/159mm
Taper degree:4.46 6 7 11 12
Drilling rod length:0.4m-6m 

tapered drill rod

length

weight

mm

foot


Hex.22mm Tapered rod carburized


600

2'

1.93

800

2'6"

2.54

1000

3'3"

3.15

1200

3'9"

3.76

1500

4'11"

4.68

1600

5'3"

4.98

1800

5'9"

5.59

2000

6'7"

6.20

2200

7'2"

6.81

2300

7'6"

7.12

2400

7'9"

7.42

2500

8'2"

7.73

2600

8'8"

8.03

3000

9'10"

9.25

3500

11'5"

10.78

4000

13'1"

12.30

4500

14'8"

13.83

5000

16'4"

15.35

5500

18'1"

16.88

6000

19'7"

18.30

quarries, coal mines, traffic and other constructions.

Generally, the lightduty rock drill uses 7 taper or smaller taper angle, the heavyduty rock drill mainly uses 12 taper angle.


4000

13'1"

16.10

4700

15'4"

18.90

5000

16'4"

22.10

5500

18'1"

22.10

6000

19'7"

24.10


Name of product

 Length

Diam.(mm)

Thtead

Weight(Kg)

mm

ft

 Hex.rods

1000

4




Hex.32

R32-R32

7.7

1220

5

R32-R32

7.9

1525

6

R32-R32

9.9

1830

7

R32-R32

11.9

2000

8

R32-R32

12.9

2475

9

R32-R32

15.8

3090

10

R32-R32

23.7

3700

12

R32-R32

23.7

4305

14

R32-R32

27.5


R32(1 1/4″)

 Length

Diam.(mm)

Thread

Weight(Kg)

mm

in

Round rods

1000

4



Rd.32

R32-R32

5.8

1220

5

R32-R32

7.1

1525

6

R32-R32

8.8

1830

7

R32-R32

9.8

2135

8

R32-R32

12.2

2435

9

R32-R32

14.1

3050

10

R32-R32

18.0

3660

12

R32-R32

21.3

Hex.rods

1830

6

Hex.35

R(T)38-R32

14.3

2475

8

R(T)38-R32

19.2

3090

10

R(T)38-R32

24.4

3700

12

R(T)38-R32

19.2

4305

14

R(T)38-R32

33.9

4915

16

R(T)38-R32

38.7

5525

18

R(T)38-R32

43.5

6135

20

R(T)38-R32

48.2


Speed Hex.rods

3090

10



Hex.35

R(T)38-R32

24.4

3700

12

R(T)38-R32

29.2

4305

14

R(T)38-R32

34.8

4915

16

R(T)38-R32

38.6

5525

18

R(T)38-R32

43.4

6135

20

R(T)38-R32

48.2

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