What types of rock can this drill bit handle?

The tricone bit can adapt to soft, medium and hard formation, including solid sandstone, limestone, marble, and dolomite.

Quality Tricone Drill Bit 8 Inch 8 1/2 Inch for Drilling Rigs Hard Rock Drilling Bits

Name: Quality Tricone Drill Bit 8 Inch 8 1/2 Inch for Drilling Rigs Hard Rock Drilling Bits
Brand: Shandong Better Drilling Machinery Co., Ltd.
SKU: 2124406242

Shandong, ChinaShandong Better Drilling Machinery Co., Ltd.

US$280.00

1 Piece

US$270.00

2+ Pieces

Product profile

Customization

Available

Customized

Standard

Model NO.

8 inch

Length

Stub-length

Type

Core Drill Bit

Material

Tungsten Carbide

Usage

Well Drilling

Rpm R/Min

120-50

Weight

40kg

Seal Type

Rubber Seal

Surface Treatment

Spray Paint

Rock Type

Solid Sandstone, Limestone, Marble, Dolomite, Pyri

Application

Oil Well, Mining Well, Water Well, Geological Exp

Usage Area

Well Drilling Equipment

Welding Type

Laser Welding or High Frequency

Specification

32*29*48 cm

Trademark

BDM

Origin

Linyi Shandong

HS Code

8207191000

Key features

Versatile Rock Adaptation: Adapts to soft, medium, and hard rock formations including sandstone and limestone.

18-Month Free Warranty: Provides 18 months free warranty and free replacement parts for broken components.

Lifetime Technical Support: Offers free technical support for the entire life of the machine.

Fast Delivery Time: Delivery within 7-10 days depending on order confirmation.

ISO9001 & TUV Certified: Manufacturing facility approved by ISO9001 quality system and national TUV certification.

Flexible Customization: Supports full customization, minor customization, and customization from samples or designs.

Global Export Experience: Products sold to over 43 countries across Asia, Africa, Europe, and South America.

19 Years Manufacturing Expertise: 19 years of experience in manufacturing drilling rigs and drilling tools.

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: ≤3.38h

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: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:What is the delivery time?

Within 7-10 days, it is according to your order and please consult us and confirm.

Q:What are your standard trade terms?

We can provide the technical offer with FOB, CFR, CIF, Door to Door and so on. Please kindly tell the detailed port name for competitive ocean freight.

Q:What is your packaging condition?

Usually, we use the standard export wooden box for LCL cargo or FCL in 20/40GP container.