How long is the delivery time?

Generally, it takes about 20 days for delivery. Peak season lead time is one month.

Which ports do you ship from?

We usually ship containers from Shanghai Port. Guangzhou and Shenzhen ports are also available.

What are the main advantages of this drill bit?

It features high flat degrees, smooth holes, high rigidity, fast punch speed, low failure rate, and high penetration rate.

Ql 50 Down The Hole Hammer Bit

Name: Ql 50 Down The Hole Hammer Bit
Brand: Changsha Chaojingang Machinery Manufacturing Co., Ltd.
SKU: 1961092502

Hunan, ChinaChangsha Chaojingang Machinery Manufacturing Co., Ltd.

US$30.00-300.00

1 Piece

Product profile

Customization

Available

Warranty

2 Month

Certification

ISO 9001:2008

Model NO.

QL 50 Down The Hole Hammer Bit

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Material

Alloy Steel

Mining Type

Mining

Advantage

High Performance

Name

Ql 50 Down The Hole Hammer Bit

Transport Package

Ply-Wood Case for Safe Delivery

Specification

DHD

Trademark

Super Diamond

Origin

China

HS Code

8412310090

Production Capacity

50, 000PCS / Year

Key features

High Performance Design: Features high rigidity, fast punch speed, low failure rate, and high penetration rate for stable drilling.

Premium Material Quality: Made of high-quality alloy steel with spray-paint surface treatment, ensuring durability and long service life.

OEM and ODM Support: Accepts both OEM and ODM services, allowing for customized mining type and product specifications.

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

ISO 9001 Certified: Manufactured under ISO 9001:2008 certification standards ensuring consistent quality and reliability.

Flexible Packaging: Supports customized packaging with carton and wooden box options for safe sea, air, and land transport.

Low Minimum Order: Low MOQ of 1 piece or 1 complete set, making it accessible for various project scales.

Fast Delivery Time: General delivery time is approximately 20 days, ensuring quick turnaround for orders.

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: ≤3.80h

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.