What are the available specifications?

General specifications include 75#, 90#, 113#, 133#, 153#, 171#, 219#. Enhanced and special types are also available, such as 171# with dual or three water balls.

How is the product packaged and shipped?

Products are packed and shipped via air, sea, express, or road transportation. Logistics partners include DHL, UPS, EMS, TNT, and FEDEX.

171mm Hard Rock PDC Diamond Core Bit with Single and Double Tubes

Name: 171mm Hard Rock PDC Diamond Core Bit with Single and Double Tubes
Brand: Guangzhou International Technology Co., Ltd.
SKU: 2001131175

Hunan, ChinaGuangzhou International Technology Co., Ltd.

US$10.00-789.00

1 Piece

Product profile

Customization

Available

Type

Mini Drill

Usage

Well Drilling

Model NO.

171MM

Certification

ISO9001

API

3 1/2" 3 7/8" 4 1/2"Support Customization

Material

Alloy Steel, Diamond, Carbide

Weight

6kg

Formation

Medium Hard, Hard Rock Formation

Application

Groutiong Coal Mine Gas Discharge Water Well Drill

Features

Fast Speed, High Efficiency

Transport Package

Carton or Wooden Box

Specification

75#91#115/132/140/152/165/200/250#

Trademark

pearldrill

Origin

Hunan

HS Code

8207191000

Production Capacity

5000000pieces/Year

Key features

Extended Service Life: Lasts 10 to 30 times longer than normal carbide drills.

High Efficiency Drilling: Features fast speed, high efficiency, and strong wear resistance.

Wide Application Range: Suitable for water wells, coal mines, and geological exploration.

Super Hard Material: Made with diamond and carbide for hard rock formations.

Direct Pipe Connection: Can be directly connected to the drill pipe for stability.

6-Month Warranty: Covers defects like sheet falling or body cracking.

Fast Delivery: Normal delivery time is 7-12 days.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Guangzhou International Technology Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 6 Years CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤4.03h

AI-Powered supplier vetting

SummaryGuangzhou International Technology Co., Ltd. is identified as a limited trading company with seven employees, valid import/export licensing, and six years of export experience. It reports that exports account for 90% of sales and offers customization from samples and ODM services. Its stated product focus includes rock drills, drilling tools, drilling rigs, and related equipment. However, the available evidence shows no inventory, overseas warehouse, or overseas showroom capability; no Fortune 500 customer cooperation; no new products launched in the past year; and only one R&D engineer. Formal supplier approval, corrective/preventive action, complaint-handling, and service-capability assessment procedures are not documented. Financial credibility, certifications, production capacity, and verified customer cases cannot be adequately assessed from the provided information.

Supplier typeThe supplier is explicitly classified as a trading company and a limited company, with no indication that it belongs to a larger corporate group. Its stated business scope covers mechanical and electrical equipment and multiple product categories, while its product description emphasizes drilling-related products.

After-Sales capabilityThe supplier has no stated in-stock service capacity, overseas warehouse, or overseas showroom. It reports lead times within 15 working days and accepts several quotation terms, but complaint handling, corrective/preventive actions, and formal service-assessment procedures have no written procedures or records.

R&D capabilityThe supplier has one R&D engineer and provides ODM services, with the ability to customize design and development for application environments or specified requirements. However, it launched no new products in the past year, lacks an SDK, and reports no R&D capability with product information.

Customization capabilityThe supplier explicitly offers customization from samples, ODM services, and design/development tailored to a customer’s application environment or specified requirements. These statements provide direct evidence of customization capability, although no scale or delivery-performance details are supplied.

Product Q&A

Q:What is the warranty period for the drill bit?

The geological drill bit has a 6-month warranty period covering abnormal scrap such as sheet falling, steel body cracking, or lamination of composite sheets if confirmed by the quality department.

Q:What is the delivery time?

The normal delivery time is 7-12 days. Peak and off-season lead times are within 15 workdays.

Q:What payment methods are accepted?

We accept T/T, L/C, D/A, D/P, Western Union, and MoneyGram.

Q:What are the main applications of this PDC bit?

It is mainly used for water injection and drainage in coal mines, underground gas drainage, anchor net support drilling, and general well drilling in civil engineering and geological exploration.

Q:What is the expected service life compared to normal drills?

The service life is 10 to 30 times longer than that of a normal carbide drill due to its super-hard geological diamond composition and enhanced structure.