What materials are used to make the drill bits?

The bits are made from quality alloy steel, diamond, and carbide, precision machined and heat-treated for hardness and fatigue resistance.

What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 1 Unit.

What is the warranty coverage for normal wear and tear?

Normal scrapping due to wear (e.g., wear no more than 10% for drop, or wear more than 50% for artificial improper operation) is not covered by compensation.

High Quality Eccentric DTH Hammer Bits Rock Drilling

Name: High Quality Eccentric DTH Hammer Bits Rock Drilling
Brand: Guangzhou International Technology Co., Ltd.
SKU: 1912769861

Hunan, ChinaGuangzhou International Technology Co., Ltd.

US$30.00-1,000.00

1 Piece

Product profile

Customization

Available

Type

Mini Drill

Usage

Well Drilling

Model NO.

90-35A----275-85A

Certification

ISO9001

PDC Cutters

1613#

Thread Size

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

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

Trademark

pearldrill

Origin

Hunan

HS Code

8207191000

Production Capacity

5000000pieces/Year

Key features

High Efficiency Drilling: Fast drilling speed with low gas consumption and low labor intensity.

Durable Alloy Steel: Made from quality alloy steel, heat treated for hardness and fatigue resistance.

Wide Application Scope: Suitable for mining, water wells, quarrying, and various rock formations.

Customizable Options: Supports customization for thread size, PDC cutters, and specific rock formations.

Easy Maintenance: Simple internal structure allows easy disassembly and low failure rate.

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

ISO9001 Certified: Manufacturing process certified under ISO9001:2015 management system.

Fast Delivery: Standard delivery time is 7-12 days via air, sea, or express logistics.

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

Q:Can the drill bits be customized?

Yes, customization is supported for thread size (3 1/', 3 7/8', 4 1/2'), PDC cutters, and specific rock formations. Please provide rock formation information or detailed size drawings.

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?

Accepted payment methods include T/T, L/C, D/A, D/P, Western Union, and MoneyGram.

Q:What are the main applications of these DTH hammer bits?

They are widely used in mining, water well drilling, quarrying, civil engineering, tunnel excavation, and geological coring exploration for various rock types.