What are the recommended drilling parameters?

Parameters vary by IADC grade; for example, IADC 537 recommends WOB 0.45-1.0 kn/mm and RRM 120-50 r/min.

What payment terms do you accept?

We accept T/T (Telegraphic Transfer) as the standard payment term.

Where is the nearest shipping port?

The nearest ports are Shanghai, Qingdao, and Tianjin.

High-Performance 8 1/2" IADC537g TCI Tricone Roller Bits

Name: High-Performance 8 1/2" IADC537g TCI Tricone Roller Bits
Brand: ZHE MACHINERY CO., LTD
SKU: 2017825902

Shandong, ChinaZHE MACHINERY CO., LTD

US$2,200.00

1 Piece

Product profile

Customization

Available

Customized

Length

Stub-length

Model NO.

8 1/2" (215.9mm)

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

IADC 537g Certification: Specifically designed for soft to medium formations with low compressive strength.

Customized Color Options: Available in various colors to meet specific identification or branding needs.

Multiple Regular Sizes: Includes 6 1/2, 8 1/2, 9 7/8, 12 1/4, and 20 inches for diverse drilling requirements.

Tungsten Carbide Material: Constructed from durable tungsten carbide for enhanced wear resistance and longevity.

Comprehensive Machinery Report: Machinery test reports are provided to ensure quality and performance verification.

Stub-Length Design: Optimized stub-length configuration for specific drilling applications and stability.

20+ Years Manufacturing Experience: Richdrill has over two decades of professional experience in drill bit production.

Global Market Presence: Products exported to Vietnam, Thailand, Chile, Canada, Mexico, and many other countries.

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: ≤4.75hTerms 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.