What types of rock formations are these bits suitable for?

They are suitable for various formations including loose soil, soft rocks, medium hard rock, hard rock, and super hard rock like granite and quartzite.

What is the main usage of these diamond coring bits?

They are mainly used for well drilling, geological exploration, coal mine rock sampling, and engineering survey.

High Quality Drill Bit 75#91#113#133#153# Diamond Coring Bits

Name: High Quality Drill Bit 75#91#113#133#153# Diamond Coring Bits
Brand: Guangzhou International Technology Co., Ltd.
SKU: 1979173465

Hunan, ChinaGuangzhou International Technology Co., Ltd.

US$60.00-105.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Customized

Non-Customized

Length

Stub-length

Model NO.

75#--300#

Type

Core Drill Bit

Material

Diamond

Usage

Well Drilling

Name

Core Drill Bit

Matrix Height

6mm-14mm

Weight

1kg

Formation

Hard Rock Formation

Features

Fast Speed, High Efficiency

Application

Geological Exploration, Coal Mine Rock Sampling

Color

as Per Your Request

Transport Package

Carton or Wooden Box

Specification

NMLC, HMLC

Trademark

pearldrill

Origin

China

HS Code

8207191000

Production Capacity

5000000pieces/Year

Key features

Customizable Color: Color can be customized as per your request.

Customizable Matrix Height: Matrix height ranges from 6mm to 14mm based on requirements.

Customizable Weight: Weight can be adjusted, typically around 1kg.

Fast Drilling Speed: Designed for high efficiency and fast speed in various rock formations.

Wide Application Range: Suitable for geological exploration, coal mining, and well drilling.

6-Month Warranty: Covers defects like cracking or sheet falling if confirmed by quality dept.

Free Samples Available: Some samples can be provided free of charge upon request.

Customizable Size: Any size can be customized according to customer's specific requirements.

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: ≤3.70h

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 has a 6-month warranty period. Compensation is provided for abnormal scrap such as sheet falling, steel body cracking, or lamination if confirmed by the quality department.

Q:Can the drill bits be customized?

Yes, customization is available for color, matrix height, weight, and size. Please provide your rock formation information or detailed size drawings for DIY customization.

Q:What are the payment terms?

Payment methods include T/T, L/C, D/A, D/P, Western Union, and MoneyGram. Trading terms include EXW, FOB, CFR, CIF, and DDU.

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 is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 Unit.