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Changsha Sollroc Engineering Equipments Co., Ltd

Good quality Down The Hole Hammer for sales
I received my hammers and bits, they looks amazing,.they are performing well after we use them, thanks very much.

—— John Lewis

I would recommend this company product 110% as in the past I have had a 100% good result from them.

—— Vesa Vaatanen

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HSD Series Geotechnical Drilling Tools DTH Hammers And Bits Dia.135mm- 155mm

China HSD Series Geotechnical Drilling Tools DTH Hammers And Bits Dia.135mm- 155mm supplier

Large Image :  HSD Series Geotechnical Drilling Tools DTH Hammers And Bits Dia.135mm- 155mm

Product Details:

Place of Origin: China
Brand Name: SOLLROC
Certification: SGS
Model Number: SD5 shank

Payment & Shipping Terms:

Minimum Order Quantity: 1 pc
Packaging Details: Carton + plywood case + pallet + mark
Delivery Time: 3-4 weeks
Payment Terms: Western Union, L/C, T/T, MoneyGram, D/P
Supply Ability: 2500 set per month
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Detailed Product Description
Brand: SOLLROC Material: Quality Steel
Air Pressure: 10-25bar Bits Dia.: 135mm- 155mm
Air Consuption: 247-670CFM Applications: Blasting Hole
Advantage: Fast Speed And Efficiency Package: For Sea Worthy Or Air Worthy

HSD-A Series Tubeless Down The Hole Hammer 5 Inch Hammer Without Footvalve For Shank SD5


High Air Pressure DTH Hammer (without foot valve)

It's a king of high air pressure DTH hammer without footvalve,our newest design. it's also one of the most advanced DTH hammer 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.

According to your request, the top sub can be made into two spanners, an air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge.


Products specifications:


Shank Fit SD5 shank
Length (less bit) 1090mm
Outer diameter 125mm
Top sub thread API 2 3/8" REG pin / API 3 1/2" REG pin
Weight (less bit) 70kg (154lbs)
Hole range 135mm-155mm
Working pressure 10-25bar
Impact rate at 1.7 Mpa 28Hz
Recommended rotation speed 20-35r/min
Air consumption at 7-14 bar 247-670CFM


Our HSD-A serises (without footvalve/Nylon tube) DTH hammer specifications:

DTH hammer type HSD4A HSD5A HSD6A
Length(less bit) mm 1012 1090 1182
Weight(less bit) kG 40kg(88lbs) 70kg(143lbs) 90kg (198lbs)
External diameter mm Φ99 Φ125 Φ148
Bit shank SD4 SD5 SD6
Hole range(mm) Φ110-135mm Φ135-155mm Φ146-148mm
Connection thread API 2 3/8"Reg API 2 3/8"Reg API 3 1/2"Reg
Working pressure 1.0-2.5Mpa 1.0-2.5Mpa 1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa 30Hz 28Hz 25Hz
Recommended Rotation speed 25-40r/min 20-35r/min 20-30r/min
Air consumption 1.0Mpa 6m3/min 7m3/min 9m3/min
1.8Mpa 9m3/min 14m3/min 18m3/min
2.4Mpa 14m3/min 19m3/min 26m3/min


DTH hammer type HSD8A HSD10A HSD12A
Length(less bit) mm 1330 1525 1860
Weight(less bit) kg 175kg(374lbs) 316kg(695lbs) 480kg(1056lbs)
External diameter mm Φ185mm Φ185mm Φ275mm
Bit shank SD8 SD10 SD12
Hole range(mm) 195mm-254mm 254mm-311mm 305mm-445mm
Connection thread API 4 1/2"Reg API 6 5/8" REG API 6 5/8" REG
Working pressure 1.0-3.0Mpa 1.0-3.0Mpa 1.0-3.0Mpa
Impact rate at 1.7Mpa 22Hz 20Hz 20Hz
Recommended Rotation speed 15-25r/min 15-25r/min 15-25r/min
Air consumption 1.0Mpa 12m3/min 22m3/min 28m3/min
1.8Mpa 22m3/min 40m3/min 50m3/min
2.4Mpa 28m3/min 65m3/min 71m3/min

The information you may like to know before order:


SOLLROC Provide high efficiency and durable hammer all over the world.



Products photoes

HSD Series Geotechnical Drilling Tools DTH Hammers And Bits Dia.135mm- 155mm



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For more information please contact:

Changsha Sollroc Engineering Equipments Co., Ltd

Tel: 86-731-85551632 Fax: 86-731-85551635


Skype: jessicaling1982

Skype: yongzhedrill



Contact Details
Changsha Sollroc Engineering Equipments Co., Ltd

Contact Person: Jessica

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