PRODUCT DESCRIPTION
          | Product Name: | Coupling sleeve, thread couplings, adapter sleeve | 
| Description: | Coupling sleeve with various type of thread,widely  used for extension rod and drill bits connection.  | 
| Material: | Alloy steel | 
| MOQ: | No MOQ required for testing and trial order | 
| Type | full-bridge,semi-bridge,same diameter etc. | 
| Thread type | R25, R28, R32, R38, T38, T45, T51, R28 - R32, R28 - R38, R32 - T38, R32 - R38, R25 - R32, R32 - T45 | 
| Diameter | 33mm - 76mm | 
| Length | 140mm - 250mm | 
| Color | Color could be paint as your request | 


 



            
 
 
 
        
        
 
 
 




