What is the warranty or quality assurance?

A machinery test report is provided for our products to ensure quality.

What is the material of this drill bit?

The bit is made of tungsten carbide, suitable for extreme drilling conditions.

Heavy-Duty 7-1/2" Tricone Bit for Extreme Drilling Conditions

Name: Heavy-Duty 7-1/2" Tricone Bit for Extreme Drilling Conditions
Brand: ZHE MACHINERY CO., LTD
SKU: 2017862402

Shandong, ChinaZHE MACHINERY CO., LTD

US$2,200.00

1 Piece

Product profile

Customization

Available

Customized

Length

Stub-length

Model NO.

7-1/2" Tricone Bit

Type

Center Drill Bit

Material

Tungsten Carbide

Usage

Well Drilling

Regular Sizes

6 1/2" 8 1/2" 9 7/8" 12 1/4" 20"

Machinery Test Report

Provided

Color

Customized

IADC

IADC 537 IADC 637 IADC 737

Transport Package

Standard Export Package

Specification

Blast Drilling & Well Drilling

Trademark

Richdrill

Origin

China

HS Code

8207199

Production Capacity

1000PCS/Month

Key features

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

Wide Size Range: Available in regular sizes: 6 1/', 8 1/2', 9 7/8', 12 1/4', and 20'.

20+ Years Experience: Manufacturer with over 20 years of professional production experience.

Global Export: Products sold to Vietnam, Thailand, Chile, Canada, Mexico, South Africa, and more.

Machinery Test Report: Provided machinery test report to ensure quality and performance.

Tungsten Carbide Material: Constructed from durable tungsten carbide for extreme drilling conditions.

Versatile IADC Ratings: Available in IADC 537, 637, and 737 for various formation types.

Stub-Length Design: Designed as a stub-length center drill bit for specific drilling needs.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

ZHE MACHINERY CO., LTD

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2015-05-01Nearest Port: SHANGHAI, QINGDAO, TIANJINAverage Response Time: ≤4.63hTerms of Payment: T/TInternational Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryZHE MACHINERY CO., LTD is a China-based manufacturer/factory in Shandong, established in 2007 and focused on HDD drilling rods and tools, exploration tools, tricone bits, mud motors, and related drilling products. It reports ISO 9001 certification, more than 10 production lines, 11–20 years of R&D engineer experience, 6–10 quality-control staff, and broad export-market coverage. The supplier states that it uses advanced CNC equipment, Baosteel raw materials for HDD drill rods, and a natural-gas continuous walking-beam furnace for heat treatment. It also describes a complete after-sales system and long-term customer relationships. However, the provided information does not verify specific R&D outputs, OEM/ODM capability, customization execution, customer names beyond one trade record, quality traceability, overseas service infrastructure, or the meaning and outcome of the audit evaluation code. Financial figures are excluded.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and a limited company based in Dongying, Shandong, China. Its stated business is manufacturing and processing machinery, with products centered on drilling tools and related equipment.

CertificationsThe supplier reports holding ISO 9001 certification. The provided data does not identify the certificate number, scope, issuing body, or validity period, but the stated certification is direct evidence of a management-system certification.

After-Sales capabilityThe company states that it has a complete after-sales system and that previous customers have formed long-term cooperative partnerships. This is explicit evidence supporting after-sales capability, although no service response metrics or overseas service details are provided.

Production capacityThe supplier identifies itself as a manufacturer, operates more than 10 production lines, and states that 18 advanced CNC machines are used for thread machining. It also describes dedicated heat-treatment processing and controlled raw-material sourcing, providing explicit evidence of substantial production capability.