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Reg Connection Thread Downhole Drilling Tools Middle - Low Air Pressure

Reg Connection Thread Downhole Drilling Tools Middle - Low Air Pressure

Reg Connection Thread Downhole Drilling Tools Middle - Low Air Pressure

Product Details:

Place of Origin: China
Brand Name: MIROC
Certification: SGS certified, ISO
Model Number: BR1 BR2 BR3 Middle - Low Air Pressure DTH Hammer

Payment & Shipping Terms:

Minimum Order Quantity: 1pcs
Price: negotiation
Packaging Details: wooden box
Delivery Time: 15-20days
Payment Terms: T/T, L/C, D/A, D/P, Western Union
Supply Ability: 20000pcs per month
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Detailed Product Description
Color:: Green/Yellow/Customized Application:: Water Well Drilling, Quarry Drilling, Construction Rock Drilling
Bit Shank Type:: BR1 BR2 BR3 Hammer Type: BR1 BR2 BR3 Middle - Low Air Pressure DTH Hammer
Bit Diameter: φ64 - φ110mm Drilling Method: DTH Drilling
Product Name: BR1 BR2 BR3 DTH Hammer

BR1 BR2 BR3 Middle - Low Air Pressure DTH Hammer



1. Underground mining

2. Quarry benching operations

3. Water well drilling



Middle-Low Air Pressure DTH Hammer 


The Characteristics of Middle-Low Air Pressure DTH Hammers



KBR1A, KBR2A and KBR3A series DTH hammers are designed to operate efficiently at low air pressures and medium air pressures, using BR series bits.


The main features are as following:

1. The operating air pressure are between 0.7 MPa and 1.75 MPa.

2. Valveless hammers.

3. Simple structure, easy to assemble and to disassemble, long life span.

4. Higher impact frequency and faster drilling speed.

5. Lower air consumption and lower oil consumption. A hole can be drilled on the check valve to provide more efficient cuttings discharge.

6. Especially suitable for quarrying.


Middle-low Air Pressure DTH Hammers - KBR Series DTH Hammer
Length (Without Bit) 760mm 880mm 889mm
Weight (Without Bit) 10.00kg 14.50kg 26.00kg
External Diameter φ54mm φ62mm φ82mm
Bit Shank BR1 BR2 BR3
Hole Range φ64 - φ76mm φ70- φ90mm φ90- φ110mm
Connection Thread Br40, Box Rd50, Box API 2 3/8 '' Reg
Working Pressure 1.0 - 1.5 Mpa 1.0 - 1.5 Mpa 1.0 - 1.5 Mpa
Impact Rate at 17 Bar 27HZ 25HZ 25HZ
Recommended Rotation Speed 25 - 40 r/min 25 - 40 r/min 25 - 40 r/min
Air Consumption 0.7Mpa: 1.5 m³/ min 0.7Mpa: 2.5 m³/ min 0.7Mpa: 4 m³/ min
1.0Mpa: 2.5 m³/ min 1.0Mpa: 4 m³/ min 1.0Mpa: 6 m³/ min
1.4Mpa: 3 m³/ min 1.4Mpa: 5 m³/ min 1.4Mpa: 8 m³/ min





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Production Line View


Reg Connection Thread Downhole Drilling Tools Middle - Low Air Pressure

Reg Connection Thread Downhole Drilling Tools Middle - Low Air Pressure




About US


The MIROC® Rock Drilling Tools product line by KSQ Tecnologies (Beijing) Co. Ltd. is the result of years
of advanced engineering, precision manufacturing, and dedication to the use of high quality materials.

MIROC® Rock Drilling Tools are used by many drilling professionals related to mining, construction, tunneling, and quarrying projects around the globe.


KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, production, and application. The company has adopted advanced manufacturing processes to ensure high
quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand clients’ drilling needs, and have the service skills to recommend the right drilling tools for the job. Its experienced product developers can also create custom tools. Furthermore, the company’s development
team introduces innovative products each year – tools that are rigorously tested in the field and proven
to perform beyond industry expectations.


MIROC® Rock Drilling and Ground Support Tools include:


Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers




Quality Control


KSQ believe in the management philosophy that : Quality is the market”. So all our products are strictly comply with the request of international quality management system, thus they keep tracking and monitoring the IQC, IPQC and OQC all the way. Our factory with professional testing personnel, and equipped with sophisticated detection equipment, adopts the international advanced detection means and methods, product technical conditions to conduct a comprehensive, strict inspection.


KSQ never stops to perfect the management team for quality inspection, and find a strict security system for all rules. So that we can standaridze and limit the workers quality action, and constructiong KSQ quaity culture, forming the atmoshphere of quality control.


We commiteed to improving and reforming technology, so we spend a lot of money , bringing in many advanced eqipments, our pursuit is to ensure and improve our products be quality, which determines that we have to keep improving the tech ability of our company.



The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: We suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: We suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time
3. Free replacement will provide once the failure confirmed caused by our product quality



Contact details:


Reg Connection Thread Downhole Drilling Tools Middle - Low Air Pressure








Contact Details
KSQ Technologies (Beijing) Co. Ltd

Contact Person: Selena Wang

Tel: +8613041244163

Send your inquiry directly to us (0 / 3000)

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