Is it possible to get free samples?

Yes, some samples can be provided free of charge.

What is the minimum order quantity?

The minimum order quantity is 1 Unit.

What types of rock formations can this drill bit handle?

It is applicable for clay, sand, gravel, weathered strata, and rocks ranging from soft to super hard including granite and quartzite.

Pearldrill High Performance 78mm PDC Rock Drill Bits for Underground Mine

Name: Pearldrill High Performance 78mm PDC Rock Drill Bits for Underground Mine
Brand: Guangzhou International Technology Co., Ltd.
SKU: 1987316345

Hunan, ChinaGuangzhou International Technology Co., Ltd.

US$47.00-719.00

1 Piece

Sample price:US$47.00/piece.Request sample

Product profile

Customization

Available

Type

Mini Drill

Usage

Well Drilling

Model NO.

78mm

Certification

ISO9001

Thread Type

Male or Female

API

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

Weight

8kg

PDC Cutters

Good Quality

Material

Alloy Steel, Diamond, Carbide

Features

Fast Speed, High Efficiency

Formation

Medium Hard, Hard Rock Formation

Application

Groutiong Coal Mine Gas Discharge Water Well Drill

Transport Package

Carton or Wooden Box

Specification

75~325#

Trademark

Pearldrill

Origin

Hunan

HS Code

8207191000

Production Capacity

5000000pieces/Year

Key features

Extended Service Life: Service life is 10 to 30 times longer than normal carbide drill bits.

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

Customizable Thread Type: Thread type can be customized to Male or Female based on requirements.

Versatile Rock Application: Suitable for formations ranging from loose soil to super hard rock like granite and quartzite.

High Verticality: Ensures high drilling verticality for precise underground operations.

ISO9001 Certified: Manufacturing process certified under ISO9001:2015 standards.

Flexible Delivery Options: Delivery via air, sea, express, or road transportation with multiple carrier options.

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: ≤3.73h

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 bits?

The geological drill bit produced by our company has a 6-month warranty period.

Q:What conditions are covered under the warranty compensation?

Compensation is provided for abnormal scrap such as sheet falling, steel body cracking, or lamination of composite sheets if confirmed by the quality department.

Q:What is the typical delivery time for orders?

The normal delivery time is 7-12 days.

Q:Can the drill bits be customized for specific rock formations?

Yes, different drill bits can be customized according to different rock formations by providing rock formation information or detailed size drawings.

Q:What are the available payment terms?

Payment terms include T/T, L/C, D/A, D/P, Western Union, and MoneyGram.