Mining Machinery

Share us

1-18" High/Middle/Low air pressure DTH hammers bits

DHD,SD,QL,Mission,COP,Numa,Mach,BR,CIR,J shank etc.

DTH hammer: 1-18 inch
DTH bit: 1-18 inch
Drill pipe: 1-9 meter
Price: USD 10.00/unit
MOQ: 1 unit


1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
It is a kind of high air pressure DTH Hammer without foot valve, our newest design. It is also one of the most advanced DTH Hammers in the world.
It has the following advantages:
1. Out of the trouble of foot valve fracture and expansion and contraction.
2. Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.
3. Simple structure, reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.  

Our advantages:
We have advanced production equipments & talented researchers & technicians & rich experiences in R & D and production.
We use the best quality raw materials.
We adopt advanced production technology & strict testing procedure.
We passed ISO9001 quality management system certification.

Hunan new diamond is a professional manufacturer for rock drill and pneumatic tools in China. We are now having more than 500 staffwith an area of 110,000 m².

We mainly producing:

4-18” High air pressure down the hole DTH hammers & Bits (DHD, COP,SD,QL,Mission,Mach,NUMA shank & our designer items,etc.)/

1-3” Middle-low air pressure down the hole DTH hammers & bits(BR,CIR,J shank,etc.)/

Drill rods,drill pipes/

Reverse circulation DTH hammers & bits/

Overburden casing systems/

Thread button bits, hole opener bits/

Shank adapters,coupling sleeves(other spare parts)/

Besides our self-developed items, we can produce on your design.

Contact me if your are interested.

high pressure dth hammer, dth hammer, dth bit, dth hammer bit, dth hammers bits, dth hammer and bit, low pressure dth hammer, low pressure dth bit,

Read More


Mining/rock drilling tools down the hole DTH hammers,DTH bits,drill rods...


Mining/rock drilling DTH hammers and bits...

Hunan New Diamond Construction Machinery Co.,ltd

Design & manufacture down the hole drilling tools,DTH hammers,DTH bits, drill pipes,top hammer drill bits,etc.

Read More


Tel: +86(731)89708248
Pingjiang Industry Park,Pingjiang county,Yueyang City,Hunan Provice,China, Hunan, China, 414500


H5/响应式/营销型企业网站; 26种语言扩展;
覆盖: 英文、法语、德语、西班牙语、葡萄牙语、俄语、阿拉伯语、波斯语、日语、韩语