T51 coupling sleeve for underground mining drilling rod

The T51 coupling sleeve is specifically designed for the harsh environments commonly encountered in mining and drilling operations. It is easy to install and provides a secure connection between drill rods and other drilling accessories.

Description

T51 Threaded Coupling Sleeve Features

The T51 threaded coupling sleeve is manufactured with precision CNC machining to ensure dimensional and concentric accuracy, thereby reducing swing and vibration during drilling operations, and extending the service life of both the coupling sleeve and the connected drill rods.

Technical Specifications of the T51 Coupling Sleeve

  • Specification: Middle stop
  • Thread connection type: T51
  • Length: 235 mm
  • Diameter: 72 mm
  • Material: Forged high-strength alloy steel
  • Manufacturing process: Full carburizing heat treatment
  • Weight: 4.0 kg
Technical Parameters
T51 coupling sleeve for underground mining drilling rod
Coupling sleeveL (mm)L (inch)D (mm)D (inch)ThreadOrder numberWeight (kg)

Middle stop

Middle stop

2359 1/4722 27/32T51B302-7223-78784.0