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2018 Hjg HD45 DTH Hammer Cop 44 DHD340
US$20.00-100.00
1 Piece

Product profile

Customization

Available

Customized

Customized

Standard

JIS, AISI

Model NO.

DHD340

Length

Stub-length

Type

Core Drill Bit

Material

High Carbon Steel

Usage

Wood Drilling, Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling, Coal, Ore, Water Well, Pneumatic

Condition

New

Power Type

Pneumatic

Mining Object

Mining

Transport Package

Poly Wood

Specification

SGS ISO

Trademark

HJG

Origin

China

HS Code

8412310090

Production Capacity

50000 PC/Year

Key features

Optimized Energy Transfer: Latest rock drilling theory optimizes internal structure for faster drilling speed and lower air consumption.
Anti-Shedding Device: Specially designed safe device prevents bit breakage and retrieval difficulties in difficult projects.
Efficient Cuttings Discharge: Replaceable check valve with larger air controlling hole ensures more efficient cuttings discharge.
Easy Disassembly: Top sub and drive chuck feature special threads for easier disassembly.
High Carbon Steel Material: Constructed from durable high carbon steel suitable for various drilling applications.
OEM and ODM Services: Manufacturer offers both OEM and ODM services for customized production needs.
Multi-Application Versatility: Suitable for wood, well, PCB, metal, masonry, coal, ore, and water well drilling.
Manufacturer Direct Supply: Self-designed and manufactured by an established company with 22 R&D engineers.

Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2011-01-25 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryChangsha Heijingang Industrial Co., Ltd., established in 1999, is a Chinese limited company specializing in rock drilling equipment and pneumatic tools. It operates from a 54,034 m² manufacturing plant in Hunan, China, and has a workforce of 834 employees. The company holds multiple certifications, including ISO9001:2015, ISO14001:2015, and ISO45001:2016, indicating a strong management system. With exports accounting for 41%-50% of sales, it serves diverse markets across the globe. The company has a robust production capability, producing 200,000 pieces of DTH hammer/drill bits and 10,000 drill rigs annually. However, details on after-sales and customization capabilities are not well-documented.
Supplier typeThe supplier is categorized as a limited company from China, established in 1999.
CertificationsThe supplier holds ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications, suggesting robust management systems.
Financial creditWith a registered capital of 20 million RMB and an annual production output valued between US$50 million and US$100 million, the supplier appears financially credible.
R&D capabilityThe supplier is involved in manufacturing new-style drilling rigs and has 22 years of research and development experience.
Production capacityThe supplier operates 10 production lines and has a significant annual output, indicating strong production capability.

Product Q&A

Q:What is the working pressure range?
A:
The recommended working pressure is between 1.0 and 2.5 MPa.
Q:What is the impact rate of the hammer?
A:
The impact rate is 20 Hz.
Q:What is the recommended rotary speed?
A:
The recommended rotary speed is 15-25 rpm.
Q:Is the check valve replaceable?
A:
Yes, the check valve can be replaced with one featuring a larger air controlling hole for better efficiency.
Q:What is the external diameter of the hammer?
A:
The external diameter is 525 mm.

Send Inquiry

*To:Changsha Heijingang Industrial Co., Ltd.Changsha Heijingang Industrial Co., Ltd.
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