What is the delivery time for orders?

1) In the case of stock, we can deliver the machine within 7 days. 2) Under standard production, we can deliver the machine within 15-20 days. 3) In the case of customization, we can deliver the machine within 20-25 days.

What certifications does your company have?

Our factory has been ISO9001 quality system and national TUV certification approved.

What are the main applications of this drilling system?

It is suitable for drilling water wells, geothermal wells, short miscopies, medium mini-type grouting hole of building, dam and harbor project, coal mining, and quarry drilling.

Bdmdrill Concentric Overburden Drilling Casing System DHD360 Pilot Bit 219mm

Name: Bdmdrill Concentric Overburden Drilling Casing System DHD360 Pilot Bit 219mm
Brand: Shandong Better Drilling Machinery Co., Ltd.
SKU: 2082408952

Shandong, ChinaShandong Better Drilling Machinery Co., Ltd.

US$660.00

1-2 Sets

US$650.00

3+ Sets

Product profile

Customization

Available

Type

Impact Drill

Usage

Metal Drilling, Well Drilling

Model NO.

114/ 127/140/146/178/194/219/254/273/325mm

Certification

AISI

Model No.

168mm-Concentric Casing System

Surface Treatment

Spray-Paint

Manufacturing Process

Forging

Bit Diameter

146mm

Casing Shoe I.D

140mm

Application

Coal Mining,Quarry Drilling ,Construction Works

Formation

Soft,Medium and Hard Formation

Hammer Size

4", 5", 6", 8", 10", 12"

Advantage

High Performance

Package

with Wooden Case Outside, or as Per Your Request

Transport Package

20gp/40hq Container/LCL

Specification

114/ 127/140/146/178/194/219/254/273/325mm

Trademark

BDM

Origin

China

HS Code

8430419000

Production Capacity

10000 Sets/Year

Key features

Concentric Drilling System: Drills and casings hole simultaneously through unstable ground conditions for improved efficiency.

High Penetration Rate: Full face head design with sacrificial/reusable ring significantly improves drilling speed and straightness.

Effective Sealing: Internal flushing grooves and built-in casing shoes minimize disruption to surrounding drill hole.

18-Month Free Warranty: Provides 18 months free warranty and free technical support for the whole life of any machine.

Flexible Delivery Options: Stock delivery within 7 days; standard production 15-20 days; customization 20-25 days.

Multi-Application Design: Suitable for water wells, geothermal wells, mining, quarry drilling, and construction projects.

Professional Manufacturer: 19 years experience in manufacturing drilling rigs and tools with ISO9001 and TUV certification.

Strict Quality Control: 100% inspection before shipment including function and visual checks to ensure qualified products.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceMulti-language PioneerExperienced Team

Shandong Better Drilling Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.67h

AI-Powered supplier vetting

SummaryThe supplier manufactures water well drilling rig machines and reports an annual output of 320 pieces, with two production lines and ten experienced export-trade staff. It provides OEM services for well-known brands and supports extensive customization, including sample-, design-, full-, minor-, and flexible customization. After-sales capabilities include installation, commissioning, technical support, complaint handling, and documented corrective-action procedures. The supplier exports to South America, Africa, Europe, and North America, with export sales accounting for 51%–70% and reported lead times within 15 workdays in both peak and off-peak seasons. However, it has no overseas warehouses, showrooms, agents or branches, and has not participated in offline trade shows. No available SDK, certification information, or specific customer cases are provided. Manufacturing quantity reconciliation is not continuously performed.

Supplier typeThe supplier is a manufacturer of water well drilling rig machines, reporting annual production of 320 pieces, and also provides OEM services for well-known brands. Its stated production and OEM activities support classification as a manufacturing supplier.

After-Sales capabilityThe supplier provides installation, commissioning, and technical support, and has documented procedures and records for service assessment, corrective and preventive actions, and customer complaints. However, it reports no overseas warehouses, showrooms, agents, branches, or overseas service coverage, limiting its demonstrated local support infrastructure.

Production capacityThe supplier reports 320 water well drilling rig machines in annual output, two production lines, ten total experienced staff, and lead times within 15 workdays in both peak and off-peak seasons. However, it does not continuously reconcile quantities for each batch or production volume, indicating a documented weakness in production quantity control.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This demonstrates broad customization coverage across both customer-provided references and more extensive tailored requirements.

Product Q&A

Q:Are you a trading company or a manufacturer?

We are a professional manufacturer. Our factory mainly produces water well drilling rigs, core drilling rigs, air Compressor, down-the-hole drilling rigs, pile drivers, etc.

Q:Where is your factory located?

Our factory is located in Linyi City, Shandong Province, China.

Q:What is the warranty and after-sales service policy?

We provide 18 months free warranty and free technical support for the whole life of any machine. During warranty period, if parts still broken, we can send the new ones freely.

Q:How is the quality of your machines ensured?

Our products pass strict quality inspections before they leave the factory to ensure that they are qualified before they are shipped. We provide a one-year quality guarantee for the main machine.

Q:How can I inspect the goods before shipment?

1) Support customers to come to the factory for on-site inspection. 2) Support customers to designate third-party companies to inspect goods. 3) Support video inspection.