What is the average lead time for production?

The average lead time is within 15 working days for both peak season and off season.

What certifications does the product have?

The product holds CE certification.

How is the quality controlled before shipment?

We perform 100% inspection on finished products, including visual and functional checks, conducted by packing staff.

Drilling Hammer Bit Eccentric Overburden Systems Eccentric Drill Bit

Name: Drilling Hammer Bit Eccentric Overburden Systems Eccentric Drill Bit
Brand: Ji Ning Hengwang Mining Machinery Co., Ltd.
SKU: 903915285

Shandong, ChinaJi Ning Hengwang Mining Machinery Co., Ltd.

US$800.00-1,500.00

2 Pieces

Sample price:US$800.00/piece.Request sample

Product profile

Customized

Length

Taper-length

Type

Center Drill Bit

Model NO.

183

Material

High Carbon Steel

Usage

Well Drilling

Name

Eccentric Drilling Bit

Casing Tube O.D.

183mm

Maximum O.D. of Guide Device

160mm

Bit Diameter

144mm

Casing Shoe I.D.

152mm

Maximum Reaming O.D.

193mm

Hammer Style

Transport Package

Wooden Case

Specification

SGS

Trademark

Origin

China Shandong

HS Code

8207191000

Production Capacity

10000PCS/Month

Key features

Economical Retrievable Design: Ingenious reaming wing allows bit retrieval and reuse in subsequent holes for cost efficiency.

Anti-Collapse Casing System: Prevents borehole collapse during pipe pulling and grouting by leaving casing in place.

Versatile Application Scope: Suitable for water wells, geothermal wells, micropiles, grouting holes, and harbor projects.

High Carbon Steel Material: Constructed from durable high carbon steel for robust performance in rock stratum drilling.

Full Customization Options: Supports customization from samples, designs, full specs, and minor adjustments.

100% Quality Inspection: Every finished product undergoes visual and functional inspection before packing.

CE Certified Manufacturer: Products meet CE certification standards with 13 years of export experience.

Fast Lead Time: Average production lead time within 15 working days for both peak and off seasons.

Company profile

High Repeat Buyers ChoiceR&D CapabilitiesSelf-brandedOverseas Warehouse

Ji Ning Hengwang Mining Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤9.08h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryHengwang is a machinery and equipment supplier covering drilling machinery, engineering machinery, components, mining tools, hydraulic and pneumatic tools, construction equipment, and related accessories. It operates three production lines and reports defined output across several product categories, with exports to South America, Southeast Asia, the Middle East, and Europe. The supplier demonstrates customization capability, quality-control procedures, material traceability, complaint-handling records, overseas service offerings, and CE certification. However, it does not provide OEM services for popular brands, has no available SDK, and evidence for customer cases and financial strength is insufficient because the supplied financial fields identify years rather than substantive financial indicators.

Supplier typeThe supplier is a manufacturer and seller of mining, drilling, hydraulic, construction, and engineering machinery and accessories. Its stated scope includes production, processing, sales, and general import/export, while its product portfolio covers more than 40 categories across drilling machinery, engineering machinery, and components.

CertificationsThe supplier reports CE certification and states that its quality-control process includes quality assurance and traceability of raw materials. These are explicit indicators of certification and supporting quality-control practices.

After-Sales capabilityThe supplier has a documented complaint-handling procedure with follow-up records, a corrective and preventive action procedure with records, and overseas services including debugging, maintenance, repair, training, and equipment installation in Indonesia. Peak- and off-season lead times are both stated as within 15 working days, although supplier-service assessment records are incomplete.

R&D capabilityThe company describes a comprehensive product research and development layout driven by technological innovation and covering drilling, engineering, and component products. However, it reports no available SDK and no OEM service for popular brands, so the evidence supports product-development activity but not a broader technology-integration or branded-OEM advantage.

Production capacityThe supplier operates three production lines and reports annual output of 1,000 pile drivers, 1,500 water well drilling rigs, 2,000 road machinery units, 3,000 construction equipment units, and 10,000 hydraulic tool sets. It also has 28 quality assurance and quality control inspectors, indicating established production and quality-control capacity.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, and minor customization. The range of stated options indicates broad accommodation of customer-specific requirements.

Product Q&A

Q:What is the working principle of the eccentric drilling bit?

The reamer bit rotates outward to enlarge the hole for casing insertion. At required depth, it retracts via reverse circulation, allowing the system to pass through the casing.

Q:What are the main applications for this Casing System?

It is suitable for drilling water wells, geothermal wells, short micropiles, medium mini-type grouting holes in buildings, and diamond harbor projects.

Q:Is this product customizable?

Yes, we offer customization from samples, designs, full customization, and minor customization options.

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

The Minimum Order Quantity is 1 set.

Q:What are the payment terms accepted?

We accept LC, T/T, D/P, PayPal, Small-amount payment, and Western Union.