Name: HZ-300C Tunnel Back-arch Driling Machine
Brand: TONGLING CHANGJIANG DIAMOND TOOLS
SKU: 038
Availability: InStock
Rating: 5 (1 reviews)

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HZ-300C Tunnel Back-arch Driling Machine

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Description

●Max.Drilling Diameter:Φ300mm
●Max.Drilling depth:300mm
●Rated Voltage:110/220/240V
●Rated Frequency:50-60Hz
●Rated Input Power:3800W
●No-load Speed:600r/min

●Specially designed for tunnel and bridge invert, inclined hole, flat hole drilling.
●Equipped with single phase electric motors with overload protection, and mechanical clutch for low risk of motor damage.
●Spring loaded slide handle for easy coring,Standard power outlets.
●Two speed, Slow speed gear for large diameter drills.fast speed gear for ssmall diameter drills.Especially for deep coring.

Our company was founded in Tongling,Anhui,China on 2003

1)Pure copper high temperature resistant motor,Better electrical conductivity, stronger power and more durable.

2)High strength fine steel bearing,Quenching gear,Hardness and wear resistance type is 1.5 times higher than ordinary accessories.

3)Lengthened and thickened motor casing,Can work for a long time.

4)External carbon brush for easy detection and replacement,Save time to improve work efficiency.

5)Thickened base drilling more stable,Easy punching force, and buffer shock. Thicker lifting gear shaft,High precision rack,Make sure that machine head rise and fall is smooth without shaking.

Concrete Drilling Machine
Packaging

Products Description

Powerful Drilling Performance for Tunnel Construction

The DIAMTOOL HZ-300C Tunnel Back Arch Drilling Machine is engineered for high-performance drilling in challenging tunnel environments. Its advanced technology ensures quick and accurate borehole drilling, making it the best drilling machine choice for large-scale projects. Whether you're a wholesaler looking for bulk solutions or in need of customized equipment, the HZ-300C can meet your drilling needs with precision.

Eco-Friendly Design with Reduced Environmental Impact

As one of the leading drilling machine manufacturers, DIAMTOOL prioritizes sustainability. The HZ-300C is designed with eco-friendly features, reducing energy consumption and lowering carbon emissions during operations. It offers a green solution for businesses seeking to comply with environmental standards, making it the perfect choice for companies committed to reducing their environmental footprint while maintaining high efficiency.

Customizable for Your Unique Drilling Needs

DIAMTOOL offers customizable features for the HZ-300C Tunnel Back Arch Drilling Machine. Whether you need specific borehole depths, diameters, or unique operational requirements, DIAMTOOL provides tailored solutions to ensure the machine meets your project’s demands. We specialize in custom and wholesale solutions for businesses looking to scale their operations and enhance performance.

Reliable and Durable for Long-Term Use

The HZ-300C is built to last. With its high-quality materials and rigorous testing, this drilling machine ensures long-term reliability and durability. Designed for both heavy-duty and precision drilling, it’s the perfect choice for businesses seeking a cost-effective solution that delivers results over time. Our machine provides unmatched value for bulk buyers and customized solutions that stand the test of time.

Product Advantages

High Efficiency: Designed for fast and precise drilling, reducing operation time and increasing productivity.

Eco-Friendly Features: Built with energy-saving technologies to reduce environmental impact, making it a sustainable choice.

Customizable Options: Tailored to meet specific project needs, including borehole size, depth, and other custom requirements.

Durability: Constructed with high-quality materials to ensure long-lasting reliability, minimizing the need for repairs or replacements.

Bulk Solutions: Perfect for wholesale and bulk buyers, offering scalable drilling solutions for large projects.

Use Scenarios

Application in Tunnel and Bridge Construction Environments

Within tunnel and bridge construction contexts, the HZ-300C borehole drilling machine performs critical functions such as drilling inclined holes for lining supports and creating accurate flat holes in offset structural areas. Its high-power motor and adaptable two-speed gearbox enable it to manage different core diameters effectively, maintaining compliance with rigorous infrastructure engineering standards. This machine integrates seamlessly with on-site safety protocols and power supply configurations, facilitating precise borehole creation that supports subsequent reinforcement and instrumentation workflows integral to infrastructure durability.

Role in On-site Core Sampling and Material Evaluation Tasks

During on-site drilling and material evaluation in tunnel environments, this drilling machine serves as an essential tool for obtaining high-quality core samples up to 300mm in diameter. Its overload protection and mechanical clutch safeguard performance during intensive use, reducing equipment failure risks under rugged conditions. The robust design supports prolonged operations, enabling field engineers and quality inspectors to conduct real-time assessments with accurate drilling depths. Integration with standard power outlets and ergonomic controls enhances operational consistency, delivering measurable data critical to informed decision-making in construction quality assurance.

FAQ

What’s the minimum ordering quantity?

Actually, we do not set a minimum order quantity (MOQ). However, please note that small orders shipped by express may incur higher delivery costs.

How can I visit your factory?

You are welcome to visit our factory. If you plan to visit China and arrive in Shanghai, you can take a high-speed train to our factory. Tongling is close to Shanghai and Nanjing.

Can I get a sample before placing an order?

Yes, we can provide a free sample, but you will need to cover the shipping cost.

Is there a cheap shipping option to import to our country?

For small or urgent orders, express shipping is the best option and provides door-to-door service. For bulk orders, sea freight is more economical, although it takes longer.

Which express company do you use? How many days will it take to receive the goods?

A: We normally ship by DHL or TNT. Delivery usually takes 3–5 days after dispatch.

How long does it take for you to reply after I send an inquiry?

We promise to reply within 12 hours.

Contact us today for a free quote and customized drilling solutions tailored to your needs!

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