What is the quality assurance policy?

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

How long is the delivery time?

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.

Factory Direct Concentric Casing Drill Bit Price Discount

Name: Factory Direct Concentric Casing Drill Bit Price Discount
Brand: Shandong Better Drilling Machinery Co., Ltd.
SKU: 2082371112

Shandong, ChinaShandong Better Drilling Machinery Co., Ltd.

US$500.00

1-9 Sets

US$200.00

10+ Sets

Product profile

Customization

Available

Type

Core Drill

Usage

Metal Drilling, Well Drilling

Model NO.

DHD340-146COP44/SD4/QL40

Material

Carbon Steel

Castings or Forgings

Forging Parts

Weight (Kg)

17.2kg

Matching Casing

146mm Thread Pipe or Galvanized Pipe

Casing Bore

115mm

Hole Size

160mm

Can Pass Through The Drill Bit Diameter

123.5mm

Color

Customization

Transport Package

20gp/40hq Container

Trademark

BDM

Origin

China

HS Code

8430419000

Production Capacity

10000 Sets/Year

Key features

Customizable Color: Color is customizable to meet specific project requirements.

High Wear Resistance: Made from first-class special alloy steel and tungsten carbide for excellent wear resistance.

Long Service Life: Surface hardening and optimized structure ensure extended durability and stable performance.

Versatile Application: Ideal for drilling in unstable rock formations with cracks and for following casing.

Professional Manufacturer: 19 years of experience in manufacturing drilling rigs and tools with global exports.

Quality Certified: ISO9001 quality system and national TUV certification approved for reliable performance.

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

Comprehensive Support: 18 months free warranty and lifetime free technical support for all machines.

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: ≤2.70h

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 your factory located?

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

Q:Do you provide 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 can I 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.