How about quality assurance?

We provide a one-year quality guarantee for the main machine of the machine.

How long is your delivery?

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.

168mm Concentric Casing Ring Drill Bit for Water Well

Name: 168mm Concentric Casing Ring Drill Bit for Water Well
Brand: Shandong Better Drilling Machinery Co., Ltd.
SKU: 2078807022

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: Simultaneously drills and cases holes in unstable ground with improved penetration rate.

Full Face Head Design: Incorporates sacrificial or reusable rings to significantly improve hole straightness.

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

Wide Application Range: Suitable for water wells, geothermal wells, coal mining, quarry drilling, and construction.

Multiple Hammer Sizes: Compatible with 4', 5', 6', 8', 10', and 12' hammer sizes for various depths.

Customization Available: Offers full customization, minor customization, and customization from samples or designs.

Standard Thread Options: Supports R22, R25, R28, R32, R38, T38, T45, and T51 thread types.

Flexible Packaging: Available in wooden cases or as per customer request for LCL or container shipping.

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: ≤2.96h

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. The products have been exported to hundreds of countries around the world and enjoy a high reputation all over the world.

Q:Where is our factory?

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

Q:Do you have after-sales service?

Yes. 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 machine?

Our products pass strict quality inspections before they leave the factory to ensure that they are qualified before they are shipped.

Q:How to inspect the goods?

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.