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DHD3.5 Down Hole Hammer Bits With Foot Valve , Reliable Dth Hammer Drilling

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Changsha ENYU Engineering Equipments Co. Ltd.

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DHD3.5 Down Hole Hammer Bits With Foot Valve , Reliable Dth Hammer Drilling

Brand Name : ENYU DRILL

Model Number : DHD3.5

Certification : ISO9001: 2008, SGS

Place of Origin : Hunan, China

MOQ : 1 PCS

Price : Negotiable

Payment Terms : T/T

Supply Ability : 1000 PCS/ Month

Delivery Time : 10-30 days

Packaging Details : Wooden box

Bit shank : DHD3.5

external diameter : ∅82 mm

color : as request

working pressure : 1.0-1.5Mpa

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Introduction:

Using DHD series bits, DHD3.5 dth hammer are designed to work efficiently at high air pressures pressures.

It is a kind of valveless high air pressure dth hammer with foot valve.

It is widely applicated in water well and geothermal drilling, mining, quarrying, dimensional stone industry, construction, oil and gas, and mineral exploration.

Technical data:

Length (less bit)	Weight(less bit)	External diameter	Bit shank	Hole range	Connection thread
930mm	25.00kg	∅82mm	DHD3.5	∅90-∅110	API 2 3/8" Reg
Working Pressure	Impact rate at 1.5 Mpa	Recommended rotation speed		Air consumption
Working Pressure	Impact rate at 1.5 Mpa	Recommended rotation speed		1.0Mpa	1.5Mpa
1.0-1.5Mpa	28HZ	25-40r/min		4.5m³/min	9.0m³/min

Feature:

1. It is more reliable to use valveless air distribution

2. Simple design of the piston is helpful to get a long service life

3. More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption

4. The internal structure is very simple with components of high rigidity, thus ensuring long life and easy maintenance of the hammer.

DHD3.5 Down Hole Hammer Bits With Foot Valve , Reliable Dth Hammer Drilling

Product Tags:

down the hole hammer bits

dth drill bit

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