Top hammer coupling sleeves, connecting two or more drill rods and shank adapter in one line, are essential component of top hammer drilling tools. Like extension rods, they are responsible for transmitting percussive force to drill rocks. Maxdrill’s coupling sleeves made of high-quality material are resistant to tension, bending, twisting, friction and erosion.
Top Hammer Drilling Tools for Drifting and Tunneling
| Crossover coupling R32-R35
||175||6 7/8||45||1 3/4||MXQ-R35R324517|
| Crossover coupling R28-R32
||171||6 3/4||45||1 3/4||MXQ-R32R284517|
| Crossover coupling R32-R38
||181||7 1/8||54||2 1/8||MXQ-R38R325418|
| Crossover coupling R32-T38
||188||7 1/2||54||2 1/8||MXQ-T38R325418|
Can't find the button bit you want? Please contact us!