What are the available payment terms?

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

What is the average lead time for production?

The lead time is within 15 workdays for both peak and off-peak seasons.

Does the product have any certifications?

Yes, the product holds CE certification.

Symmetric/Concentric Overburden Drilling Casing System DHD360 Pilot Bit 219mm

Name: Symmetric/Concentric Overburden Drilling Casing System DHD360 Pilot Bit 219mm
Brand: Ji Ning Hengwang Mining Machinery Co., Ltd.
SKU: 748080352

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

US$1,500.00-2,000.00

1 Piece

Sample price:US$1500.00/piece.Request sample

Product profile

Customized

Length

Taper-length

Type

Center Drill Bit

Model NO.

168

Material

High Carbon Steel

Usage

Well Drilling

Name

Concentric Casing Systems Drilling Tools

Casing Tube O.D.

168mm

Bit Diameter

146mm

Casing Shoe I.D.

140mm

Maximum Reaming O.D.

184mm

Hammer Style

Transport Package

Wooden Case

Specification

concentric casing systems drilling tools

Trademark

Origin

Shandong

HS Code

8207501000

Production Capacity

10000sets/Year

Key features

Simultaneous Drilling and Casing: Designed to drill and case holes simultaneously through unstable ground conditions.

Full Face Head Design: Incorporates a ring or reusable ring to improve penetration rate and hole straightness.

Internal Flushing Grooves: Built-in casing shoes provide a good seal to minimize disruption of the surrounding area.

Wide Application Range: Suitable for water wells, geothermal wells, grouting holes, and dam projects.

Multiple Size Options: Available in various casing tube O.D. sizes from 146mm to 377mm with matching hammer styles.

High Carbon Steel Material: Constructed from durable high carbon steel for long-lasting performance.

Full Customization Available: Offers customization from samples, designs, and full customization options.

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: ≤10.33h 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.