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Mayhew threads Drill Rods for Rotary drilling

Mayhew drill rod ,Mayhew Junior Rods
Mayhew threads Drill Rods 114.3mm diameter with Friction Welded Tool Joints for Rotary drilling
Roschen can supply friction welded drill rods with API, Beco, NWY, and Mayhew threads, as well as RC (Reverse Circulation) and casing for Rotary Percussive drilling.

Quantity:
  • 2 3/8", 2-7/8", ...
  • ROSCHEN
  • ROS-MP-2 3/8", 2-7/8", ...

Product Description

Mayhew threads Drill Rods for Rotary drilling 

Mayhew drill rod

Mayhew Junior Rods

Mayhew threads Drill Rods 114.3mm diameter with Friction Welded Tool Joints for Rotary drilling

Roschen can supply friction welded drill rods with API, Beco, NWY, and Mayhew threads, as well as RC (Reverse Circulation) and casing for Rotary Percussive drilling.

Mayhew Junior   Rods Specifications

Description

Pipe OD

Pipe Wall

Connection OD

Connection ID

Length(ft)

2-3/8 IF Flush

3 1/2

0.375

3 1/2

1 3/4

20

2-3/8 IF

2 3/8

1.102

3 1/2

1 3/4

10, 15, 20

2-3/8 FEDP

2 3/8

1.102

3 1/8

1 1/2

10, 15, 20

2-3/8 Mayhew Jr

2 3/8

1.102

3

1 1/2

10, 15, 20

2-3/8 Mayhew Jr

2 3/8

0.190

2 3/4

1 1/2

5, 10

2-7/8 Mayhew Jr Pipe   Flush

2 7/8

0.362

2 7/8

1 1/2

10, 15, 20

Mayhew Reg. Flush

3 1/2

0.375

3 1/2

1 1/2

20

Mayhew Reg.

2 3/8

1.102

3 1/2 or 3 1/4

1 1/2

10, 15, 20

2-7/8 IF

4 1/2

0.337

4 1/8

2 1/2

10, 15, 20

3-1/2 IF

5 1/2

0.362

4 3/4

2 11/16

10, 15, 20

3-1/2 API Reg Flush

4 1/2

0.337

4 1/2

1 1/2

10, 15, 20

4-1/2 API Reg Flush

5 1/2

0.757

5 1/2

2 1/4

10, 15, 20

AWJ/AW w/Flats

1 3/4

0.752

1 3/4

 5/8

5,10

NWJ/NW w/Flats

2 5/8

0.752

2 5/8

1-1/4 or 1-3/8

5,10

 

Drill rods up to 152 mm (6) diameter feature friction welded tool joints, giving great strength to the rod.

 

Drill rods are manufactured up to 406 mm(16") diameter and up to 9.5 metre effective length.

 

All drill rods feature nitrided threads for extra wear resistance.

Name

A

B

C

D

E

F

G

H

TOOL JOINTS:1


2 3/8 API   Regular

2-3/8"

3-1/8"

2-5/8"

3

5

3

60° API

1

2 7/8 API   Regular

2-7/8"

3 3/4

3

3 1/2

5

3

60° API

1 1/4

3 1/2 API   Regular

3 1/2

4 1/4

3 1/2

3 3/4

5

3

60° API

1 1/2

4 1/2 API   Regular

4 1/2

5 1/2

4-5/8"

4 1/4

5

3

60° API

1 1/4

2 3/8 API   Internal Flush

2-3/8"

3-3/8"

2-7/8"

3

4

2

60° API

1 3/4

2 7/8 API   Internal Flush

2-7/8"

4-1/8"

3 25/64

3 1/2

4

2

60° API

2-1/8"

3 1/2 API   Internal Flush

3 1/2

4 3/4

4  1/64

4

4

2

60° API

2 11/16

2 3/8 Mayhew   Junior

2-3/8"

2 3/4

2 21/64

2 1/4

4

2

60° Mod. API

1 1/2

2 3/8 Mayhew   Regular

2-3/8"

3 1/4

2 35/64

3

4

1 1/2

60° Mod. API

1-5/8"

2 7/8 Mayhew   Full Hole

2-7/8"

3 3/4

3  3/64

3-3/8"

4

1 1/2

60° Mod. API

2

2 3/8 Failing   Exploration

2-3/8"

2 31/32

2 1/2

2 3/4

4

2

60° Mod. API

1 1/2

2 7/8 Failing   Exploration

2-7/8"

3 3/4

3-1/8"

3 1/4

4

2

60° Mod. API

1-7/8"

2 3/8 Hughes   Acme Regular

2-3/8"

3-1/8"

219/32

3

4

3-3/8"

29° Acme

1

2 3/8 Winter   Weiss

2-3/8"

3 1/4

235/64

3

4

1 1/2

60° Mod. API

1 1/2

2 7/8 Winter   Weiss

2-7/8"

37/16

235/64

3

4

1 1/2

60° Mod. API

1 1/2

3 1/2 API Full   Hole

3 1/2

4-5/8"

4

3 3/4

5

3

60° Mod. API

27/16

FLUSH JOINT   TAPERED THREAD


United   Geophysical (1 11/16 OD)

111/16

111/16

1-3/8"

1

6

3

29° Acme

1


Standard drill rod lengths are 1M; 1.5M; 2M; 3M; 5M and 6M.

 

Other sizes and dual wall rods for reverse circulation systems and jet grout applications can be manufactured to suit your requirements.

 

Spanner Flat details can be agreed when ordering.

 mayhew junior drill pipe

 

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