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Drilling tools

Product categories of Drilling tools, we are specialized manufacturers from China, Drilling Tools, Friction Welding Drill Pipe suppliers/factory, wholesale high-quality products of Oil Drilling Pipe R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!

China Drilling tools Suppliers

Friction Welding Drill Pipe and Adapter

Friction welding Drill Pipe and adapter are in accordance with API SPEC 5DP and SY/T5561-2008 Specifications.The steel grade are DZ250,R780,G105,S135 that are after partly or overall heat treatment.The adapter part adopts thermal refining to superior alloy steel 35CrMo or 4137H that`s after thread hardening treatment and phosphating to better antiseize.It also can be produced upon customers` requirements.

Technical specifications of Friction welding drill pipe

Drill Pipe Diameter

Upset Type

RSC

Model

Steel Grade

mm

Wall

Thickness

mm

External diameter

of upset end

mm

Internal diameter

of upset end

mm

in

60

2 3/8

EU

NC26

DZ50,R780

6/7.11

65.1

46.10

EU

NC26

G105,S135

7.11

65.1

39.67

73

27/8

EU

NC31

DZ50,R780

9

81.0

54.64

EU

NC31

G105,S135

9.19

81.0

50.80

89

31/2

EU

NC38

DZ50,R780

10

98.4

66.09

EU

NC38

G105,S135

9.35

98.4

63.50

114

41/2

IEU

NC46

DZ50,R780

8

127.0

92.00

IEU

NC46

G105,S135

8.56

119.1

73.02

EU

NC50

G105,S135

8.56

127.0

90.47

127

5

IEU

NC50

DZ50,R780

10

130.2

90.47

IEU

NC50

G105,S135

9.19

130.2

90.47

139.7

51/2

IEU

51/2FH

G105,S135

9.17

144.5

96.82

168

65/8

IEU

65/8FH

G105,S135

9.19

176.2

135.00

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