What are the payment terms?

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

What materials are used to make the drill bit?

The drill bit is made from high-quality alloy steel, diamond, and carbide. It features precision buttons manufactured in-house for optimal performance.

What is the minimum order quantity?

The minimum order quantity is 1 Unit.

High Quality DTH Hammer Bit for Hard Rock Drilling

Name: High Quality DTH Hammer Bit for Hard Rock Drilling
Brand: Guangzhou International Technology Co., Ltd.
SKU: 1912769621

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.

75#--300#

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

Customizable Specifications: Supports customization for thread sizes (3 1/2', 3 7/8', 4 1/2') and PDC cutters based on user requirements.

High Efficiency Drilling: Features fast drilling speed, low gas consumption, and low labor intensity due to advanced internal structure.

Durable Alloy Steel Construction: Made from quality alloy steel with precision machining, heat treatment, and surface compression for fatigue resistance.

Versatile Rock Application: Suitable for loose soil, soft rocks, medium hard rock, and hard rock formations including granite and basalt.

Low Failure Rate Design: Simple and reliable internal structure ensures easy disassembly, maintenance, and stable performance.

ISO9001 Certified Quality: Manufacturing process adheres to ISO9001:2015 standards ensuring consistent product quality.

Comprehensive Warranty: 6-month warranty covers defects like steel body cracking or sheet falling under confirmed quality issues.

Fast Delivery Time: Standard delivery time is 7-12 days, with peak and off-peak lead times within 15 workdays.

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 bit?

The geological drill bit comes with 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 thread size and cutters be customized?

Yes, we support customization for thread sizes including 3 1/2', 3 7/8', and 4 1/2', as well as PDC cutters. Please provide your rock formation information or detailed size drawings for DIY customization.

Q:What types of rock formations can this bit drill?

The bit is suitable for a wide range of formations from loose soil and soft rocks to medium hard rock and hard rock like granite, basalt, and quartzite. Different bit types are recommended based on the specific rock grade.

Q:What are the delivery time and options?

The normal delivery time is 7-12 days. We offer four main delivery channels: air, sea, express, and road transportation, including carriers like DHL, UPS, and FedEx.

Q:Is free sample available?

Yes, some samples can be provided free of charge. Please contact us for specific details regarding sample availability.