About us:

We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bit top hammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.We have

rich experience in this field of DTH hammers and bits for 20 years.Owing to high quality, professional serivce

and competitive price, we have got good reputation from our customers all over the world, such as France,

Spain, Italy,South Africa,Australia, Iran, Malaysia, etc.

Product specifications: Extension Rods

Extension Rods: Sollroc’ drifting and extension drill rods are for in drifting, tunneling, long-hole drilling, bench and production drilling industries. These rods are produced with round or hexagonal sections in all common thread designs, and in Male/Male (M/M) or Male/Female (M/F) connections. All our drifting and extension drill rods are heat-treated with carburization or high frequency, combinated with phosphorization.

Quality warranty:

Our hammers & Bits are made of high quality steel and all spares are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.



Package:

Using ply-wooden cases and pallet for exporting to protect products and avoid the damagement during transportation. Also we can customize package according to your special requests.



Production time:

Generally, Production time is 15 -25 days.



Transportation:

By air, By Express or By sea according to your requests.