Numa launches new hammer backhead

Numa, a manufacturer of down-the-hole (DTH) hammers and bits, has released a vortex backhead design aimed at improving drilling performance and hammer/bit life

Numa launches new hammer backhead Numa launches new hammer backhead Numa launches new hammer backhead Numa launches new hammer backhead Numa launches new hammer backhead

Numa's new vortex backhead design for DTH hammers

Typically when water is injected into the air supply of a conventional backhead, the water will travel through all hammer components and exhaust out the bottom of the bit to improve hole cleaning.