Rotary percussion couplings

The rotary percussion couplings distributed by PROMAFORSOVEMA provide the connection between the down-the-hole hammer and the rods, transmitting rotational torque and percussion energy. A wide range of sleeve adapters is available to cover all thread combinations. Permanently in stock at our branches.

Available sleeve adapters

R25 F X R32 M, R25 M X R32 F, R38 M X R32 F, R32 M X R38 F, R32 M X R32 M, R32 F X R32 F, R38 M X R38 M, R38 F X R38 F, R32 M X R38 M, R32 F X R38 F, R38 M X T38 M, T38 M X R32 F, T38 F X R38 M, T38 F X T38 F, T45 F X T45 F, T45 F X T51 M, T45 M X T51 F, T51 F X T51 F, T45 M X T51 M, T45 F X T45 F, T51 F X T45 F, T51 F X T45 M

Need rotary percussion couplings?

Contact one of our 4 branches throughout France for a quote, to check availability of the thread combination you need or for technical advice.