What payment methods do you accept?

We accept T/T, L/C, D/A, D/P, Western Union, and MoneyGram.

What types of rock formations are suitable for these bits?

They are suitable for a wide range from loose soil (Grade 1) to super hard rock (Grade 12) including granite, gneiss, and quartzite.

Are free samples available?

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

CIR DTH GM Gql 91 High-Strength Down The Hole Hammer Drill Bit

Name: CIR DTH GM Gql 91 High-Strength Down The Hole Hammer Drill Bit
Brand: Guangzhou International Technology Co., Ltd.
SKU: 1913278406

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.

qkc91

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-Strength Material: Made from quality alloy steel with precision machining and heat treatment for fatigue resistance.

Versatile Rock Application: Suitable for loose soil to super hard rock including granite, basalt, and quartzite.

Fast Drilling Speed: Designed for high efficiency and low gas consumption with maximum energy delivery.

Customizable Specifications: Different specifications and forms of alloy ball bits can be made according to user needs.

Durable Service Life: Advanced processing technology ensures stable performance and long service life.

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

ISO9001 Certified: Manufacturing process meets ISO9001:2015 quality management system standards.

Rapid Delivery: Normal delivery time is 7-12 days with multiple logistics channels available.

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: ≤3.75h

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.