What is the lead time for production?

The average lead time is one month for both peak season and off-season.

How is the quality controlled before shipment?

We perform 100% inspection on finished products, including visual and function inspections, following uniform instructions.

Quarry Compatible Down The Hole

Name: DHD360 Hammer for Rock Drilling / Mining /Quarry Compatible Down The Hole
Brand: Changsha Chaojingang Machinery Manufacturing Co., Ltd.
SKU: 1907889005

Hunan, ChinaChangsha Chaojingang Machinery Manufacturing Co., Ltd.

US$50.00-2,000.00

1 Piece

Sample price:US$1500.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO 9001:2000, ISO 9001:2008

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Connection Thread

API 3 1/2" Reg

Hole Range

Dia 155 - 190 mm

Working Pressure

1.0 - 2.5MPa

Compatible Bit Shank

Mission60 / Cm60A

Transport Package

Ply-Wooden Cases for Exporting

Specification

2 inch to 12 inch

Trademark

Super Diamond

Origin

China

HS Code

8207199000

Key features

High Efficiency Drilling: 15-30% faster drilling speed with lower air and oil consumption compared to foot valve hammers.

Durable Design: Simple piston design with heat-treated parts ensures long life and fewer internal failures.

Easy Maintenance: Simple structure allows easy disassembly and cheaper maintenance without foot valve risks.

Reliable Performance: Advanced valve air distribution provides more reliable operation and higher impact rates.

Customizable Options: Customization available for connection thread, hole range, working pressure, and compatible bit shank.

Quality Certified: Manufactured under ISO 9001:2000/2008 standards with 100% finished product inspection.

Low Failure Rate: Fewer internal parts and robust construction lead to less failure and extended service life.

Versatile Compatibility: Compatible with Mission60, CM60A, and various bit shanks for diverse drilling applications.

Company profile

Changsha Chaojingang Machinery Manufacturing Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Shanghai Port; Shenzhen PortAverage Response Time: ≤5.60h

AI-Powered supplier vetting

SummaryThe supplier demonstrates product R&D, ODM, SDK availability, and broad customization capabilities, including customization from samples, designs, full customization, and minor customization. It reports eight years of export experience, export activity representing 51%–70% of total sales, self-operated import and export rights, and participation in an offline international construction machinery exhibition. Service quotations support FOB, CIF, CFR, and EXW, with a stated one-month average lead time in both peak and off-seasons. However, the supplier reports no overseas warehouse, showroom, agents, or branches, and no overseas service countries. ISO9001:2015 certification and recent fire drills are stated, but no factory environmental impact assessment report is available. Financial records provided for recent years show zero values for revenue, profit, margins, costs, and current ratios, preventing a positive assessment of financial credibility. Evidence of production scale and named customer cases is...

Supplier typeThe supplier appears to be a manufacturing-oriented rock-drilling equipment provider with R&D, ODM, SDK, export, and customization capabilities. Its products are described for earthwork, mining, water-well, construction, geothermal, and municipal engineering applications, while it does not provide OEM services for popular brands.

CertificationsThe supplier reports holding an ISO9001:2015 certificate and conducting regular fire drills during the past year. However, it also states that the factory has no environmental impact assessment report, so the evidence supports quality-system certification but not comprehensive environmental documentation.

Financial creditThe supplied financial records for the stated recent years report zero operating revenue, operating costs, gross profit, operating profit, gross margins, and current ratios. These values do not provide positive evidence of financial strength and materially limit the ability to verify financial credibility.

R&D capabilityThe supplier reports that it had new products during the past year, provides ODM services, and has an available SDK. These are explicit indicators of product development and technical integration capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization. It also reports R&D capability and ODM service availability, supporting a broad customization offering.

Product Q&A

Q:What are the advantages of this DTH hammer without a foot valve?

It offers 15-30% higher drill speed, lower air and oil consumption (around 10% lower oil), higher impact rate, and eliminates worries about foot valve breakage or distortion due to abrasion or high temperature.

Q:What is the working pressure range for the DHD360 hammer?

The working pressure range is 1.0 - 2.5 MPa.

Q:Is customization available for this product?

Yes, customization is available for connection thread, hole range, working pressure, and compatible bit shank.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 piece.

Q:What certifications does the product have?

The product is certified under ISO 9001:2000 and ISO 9001:2008 standards.