T51 225-235mm Underground Mining Threaded Drill pipe Coupling Sleeves

T51 225-235mm Underground Mining Threaded Drill pipe Coupling Sleeves

Description

The connecting sleeve is mainly used for the shank and the drill rod and the drill rod and the connecting rod is connected between the. For reducing the connecting sleeve and the connecting sleeve with the same diameter. Main specifications R32, T38, T45, T51 reducer connected set of R25-R32, R28-R32, R32-R38, R32-T38, R32-T45, T38-T45 and, due to the need of energy transfer and handling, on the material properties and processing technology of higher requirements, connecting sleeve of my company's production, the high quality alloy steel forging processing into, the thread processing the special machining center, high machining precision, with good thread and prolong the prolonging the service life of the connecting sleeve.

Thread sizes: R22, R25, R28, R32, R35, R38, T38, T45, T51;
Two catagories: Standard coupling sleeves, adapter coupling sleeves;

 
Our drill tools has following advantages:
1. 95% quality similarity with world top class brands,such as atlas Copco etc.
2. Strong ability in drilling tools production.
3.Strick quality control.

Specification