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Coupling Sleeve

Coupling Sleeve KINGDRILLING coupling sleeve are made from steel as same grade as internationally well-known brand CNC processing procedure ensure the perfect match of thread.Reliable quality from precise supervision of heat-treatment Coupling sleeves, other name is Coupling, when using rock...
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Coupling Sleeve

KINGDRILLING coupling sleeve are made from steel as same grade as internationally well-known brand CNC processing procedure ensure the perfect match of thread.Reliable quality from precise supervision of heat-treatment

 

Coupling sleeves, other name is Coupling, when using rock drills with male shank adapters and a conventional drifter rod, a coupling is required to join the adapter to the rod,ensuring the ends touch for efficient energy transmission. Couplings are also used to connect several rods to each other in the same way. Couplings have a middle stop to prevent over-threading on to the drill rod. We can manufactures semi-bridge, full bridge coupling sleeves for the percussive tools.

 

Semi-bridge coupling, by far is the most popular, has a small non-threaded bridge in the centre. The drill rod cannot thread past the centre of the couplings, and the smaller diameter rods portions butt together in the centre bridge area of the coupling. Semi-bridge couplings are most suited to high torque machines. Most rope (R) and Trapezoidal (T) threaded couplings are semi-bridged.

Full bridge coupling has a great advantage that it positively eliminates the potential for the coupling to creep along the threaded joints. These couplings, are typically used in a Trapezoidal thread, in surface drilling application, have better uncoupling characteristics and tend to maintain tighter joints. Full-bridge couplings have less chance of jamming and are best suited to machines equipped with independent rotation.

Adapter couplings are used when changing from one thread type, or size, to another and are typically required only in special circumstances.

R25 Coupling

  Diameter(mm)

Length(mm)

 Thread

 Weight(Kg)

44

155

R25

1

45

150

R25

0.7

38

160

R25

1.3

R25 Crossover
     Coupling

45

150

R25-R32

1.1

45

160

R25-R32

1.2

56

160

R25-R38

2.5

56

170

R25-R38

3.2

R32 Coupling

44

150

R32

1

44

160

R32

1.1

55

170

R38

1.8

55

190

R38

2

R32 Crossover Coupling
   

45

150

R25-R32

1.1

45

160

R25-R32

1.2

45

160

R28-R32

1.2

55

160

R28-R38

1.8

55

170

R28-R38

2

55

180

R28-R38

2.2

55

210

R28-R38

2.8

56

170

R28-R38

2.1

56

180

R28-R38

2.2

56

210

R28-R38

2.8

63

190

R28-R45

3.2

T38 Coupling

57

180

T38

1.9

T45 Coupling

66

207

T45

3.8

T51 Coupling

76

225

T51

4.5

Crossover Coupling

61

200

T38-T45

3.2

66

200

T38-T45

3.5

71

225

T45-T51

4.2


Order Guide:

Thread(s) + Length +Diameter


FAQ:

1. How to order the products?

A: Please send the inquiry with detail item description or with Model number.


2. Can I expect a quality products?

A: Yes. mature production technology ensuring the quality satisfy international request.


3. How to check the product are the exact one you want?

A: If possible, please attach one reference picture to avoid any misunderstanding or any links from ourwebsite for a better understanding.

 

4. How to make sure the quality?

More than 40 Years engineer to make sure the quality, 100% inspection.

 

5. Shipping way:

A: Sample order: we suggest Courier express delivery such as DHL/UPS/TNT/FEDEX or by air

Bulk order: by air or by sea we suggest.

 

6. Methods of Payment:

T/T (Telegraphic Transfer) or Western Union.

 


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