What are the main applications for these drill bits?

They are widely used in mining, tunnel excavation, underground plant excavation, water well drilling, civil engineering, and geological exploration.

Do you offer free samples?

Yes, some samples can be provided free of charge upon request.

What are the available delivery channels?

Four main delivery channels are available: air (DHL/UPS/EMS/TNT/FEDEX), sea, express, and road transportation.

Qkc29 High Air Pressure Drills DTH Hammer Bits

Name: Qkc29 High Air Pressure Drills DTH Hammer Bits
Brand: Guangzhou International Technology Co., Ltd.
SKU: 1914117736

Hunan, ChinaGuangzhou International Technology Co., Ltd.

US$116.00-1,000.00

1 Piece

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Customized

Length

Stub-length

Model NO.

qkc29

Type

DTH Hammer Bit

Material

High Speed Steel

Usage

Well Drilling, Hole Drilling

Name

High Air Pressure DTH Hammer Bits, Hole Drill Bit

Drilling Depth

500-1000m

Hole Diameter

100mm

Weight

5kg

Feature

Fast Speed Drilling, Long Life

Application

Soft Rock/Medium Hard Rock/Hard Rock, Well Drillin

Size

15"

Certification

ISO9001

Diameter

311-998mm

Product Name

DTH Drill Bit

Transport Package

Carton or Wooden Box

Specification

90~105mm

Trademark

pearldrill

Origin

China

HS Code

82071910

Production Capacity

50000pieces/Year

Key features

High Air Pressure Performance: Designed for DHD/CIR/Cop high air pressure DTH drilling rigs with maximum energy efficiency.

Wide Rock Adaptability: Suitable for soft to super hard rocks including granite, basalt, and quartzite across 12 strata grades.

Customized Alloy Teeth: Features interchangeable ball, parabolic, warhead, and sharp teeth optimized for specific rock abrasivity.

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

Low Failure Rate Design: Simple and reliable internal structure ensures easy disassembly, low failure rate, and easy maintenance.

Fast Drilling Speed: Provides high drilling speed and low gas consumption due to advanced internal structure and drilling theory.

ISO9001 Certified Quality: Manufactured under ISO9001:2015 management system certification ensuring consistent product quality.

Customization Available: Different specifications and forms of alloy ball bits can be made according to user rock formation needs.

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: ≤3.58h

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 company provides a 6-month warranty period. Compensation is available for abnormal scrap like sheet falling or steel body cracking if confirmed by the quality department.

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

Yes, different specifications and forms of alloy ball bits can be customized. Please provide your rock formation information or detailed size drawings for DIY customization.

Q:What is the delivery time for orders?

The normal delivery time is 7-12 days. During peak seasons, lead time is within 15 workdays, and during off-seasons, it is also within 15 workdays.

Q:What payment methods are accepted?

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

Q:Which rock types are suitable for these DTH hammer bits?

They are suitable for soft, medium, and hard rocks including granite, gneiss, basalt, and quartzite, covering strata grades 1 through 12.