How are the products packaged for shipping?

Products are packed in carton boxes with foam, then placed into plywood cases or on pallets to protect them during transportation. Customized packaging is acceptable.

What certifications does the product have?

The product has ISO 9001:2008 certification, and the factory management system is certified under ISO9001:2015.

What materials are used for the DTH bit?

The DTH bit is made of alloy steel with a spray-paint surface treatment and is manufactured using a forging process.

China Factory High Quality Rock Drilling DTH Bit for 5inch Hammer Ql50 for Mining

Name: China Factory High Quality Rock Drilling DTH Bit for 5inch Hammer Ql50 for Mining
Brand: Changsha Chaojingang Machinery Manufacturing Co., Ltd.
SKU: 1952261315

Hunan, ChinaChangsha Chaojingang Machinery Manufacturing Co., Ltd.

US$50.00-1,000.00

1 Piece

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO 9001:2008

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Mining Type

Mining

Transport Package

Ply-Wood Case for Safe Delivery

Specification

130 - 156 mm

Trademark

Super Diamond

Origin

China

HS Code

8412310090

Production Capacity

50, 000PCS / Year

Key features

Premium Quality Material: Made of high quality alloy steel with premium hardened procedures for secure long life.

Full Production Chain: Ensures stable and prompt production leadtime with experienced senior technicians.

Wide Compatibility: Shanks available for various hammers including Bulroc, Halco, COP, DHD, and SD series.

Strict Quality Control: All spare parts are strictly inspected before shipping with 100% visual and function check.

Flexible Customization: Offers customization from samples, designs, full or minor customization options.

Secure Packaging: Carton box with foam, plywood cases or pallets to avoid damage during transportation.

Global Reputation: Trusted by customers worldwide including Brazil, Peru, South Africa, Australia, and more.

Competitive Pricing: Professional service and competitive price with quick and efficient customer support.

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: ≤1.59h

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 is the warranty period for the DTH bit?

We provide a quality warranty where all spare parts are strictly inspected before shipping. We also offer quick responses to any complaints or suggestions.

Q:What is the production lead time?

Generally, the production lead time is 15-30 days. Peak season and off-season lead times are both approximately one month.

Q:Can the shank be customized for different hammers?

Yes, shanks are available for various hammer types including Bulroc, Halco, COP, DHD, SD, and Numa series with diameters ranging from 64mm to 864mm.

Q:What are the payment terms?

We accept LC, T/T, PayPal, Western Union, and small-amount payments.

Q:What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 piece.