4 inch hammer COP42 COP44 gold TD40 shank DTH hammer

Brief info:4 inch hammer COP42 COP44 gold TD40 shank DTH hammer, US $ 500 - 1,000 / Piece, Hunan, China, SOLLROC, DHD340 COP44.Source from Changsha Sollroc Engineering Equipments Co., Ltd. on Alibaba.com.

Product Application

DTH hammers and bits are widely used in underground mining, quarries, hydraulic and Hydro-Power Engineering, water well drilling, Mineral exploration, anchoring hole drilling, geothermal engineering, Subway excavation, another civil engineering. it has the advantage of high flatness, smooth hole wall, high rigid of drill rod and hammer, independent of high axial thrust, no limit of drilling depth, low cost of devices and easiness to maintain.

Futures

- Valveless air distribution. More reliable.
- Simple design of the piston. Long life.
- More efficient energy transfer, fact drilling speed, lower air consumption and lower oil consumption.
- Fewer internal parts, simple structure, long life, less failure and easier to maintain because all the parts are heat treated.
- Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.

Product Description

DTH hammer with high quality models: IR DHD340 COP44 COP44 gold TD40

IR DHD340 COP44 hammer specifications:

	DHD340 hammer with footvalve (for well drilling, etc)	DHD340 hammer without footvalve (for mining, etc)
Advantage	Fast exhausting	High drilling speed
Length(less bit)	1030mm	1011mm
Weight (less bit)	39.0kg	45.0kg
External diameter	99mm	99mm
Bits shank	DHD340/COP44	DHD340/COP44
Bits diameter	110-135mm	110-135mm
Connection thread	API 2 3/8" Reg	API 2 3/8" Reg
Air pressure	1.0-2.5Mpa	1.0-2.5Mpa

* External diameter can be adjusted according to customers' requests.

Detailed Images

Hammer spares

Packing & Delivery

Packing

Ply-wooden cases + pallet.

Delivery time:

2-3 weeks to departure port.