What is the warranty or condition of the product?

The product is in new condition. Specific warranty details are not listed, but the design ensures long life and fewer failures.

What is the air consumption for a 5-inch hammer?

For a 5-inch hammer, the air consumption is 9 m3/min at 1.0 Mpa, 15 m3/min at 1.8 Mpa, and 23 m3/min at 2.4 Mpa.

2018 Hjg Newest HD 55 Rock Drilling DTH Hammers

Name: 2018 Hjg Newest HD 55 Rock Drilling DTH Hammers
Brand: Changsha Heijingang Industrial Co., Ltd.
SKU: 688978631

Hunan, ChinaChangsha Heijingang Industrial Co., Ltd.

US$599.00

10-29 Pieces

US$588.00

30+ Pieces

Product profile

Customization

Available

Condition

New

Customized

Model NO.

HD 55

Pneumatic Drill

Hammer

Usage

Paint Spray Gun, Washing Gun, Hopper Gun, Garden Gun

Mining Object

Mining

Type

Air Drill

Working Style

Rotary Type

Air Wrench Type

Impact wrench

Pneumatic Drill Range

Mining

Degree of Automation

Automatic

Screwdriver Startup Mode

Under pressure

Brand

Hjg

Transport Package

Poly Wood

Specification

SGS ISO

Trademark

HJG

Origin

China

HS Code

84123100

Production Capacity

50000 PC/Year

Key features

Valveless Air Distribution: Provides more reliable operation with improved efficiency.

Simple Piston Design: Ensures long service life and reduced maintenance needs.

High Energy Efficiency: Faster drilling speed with lower air and oil consumption.

Durable Heat Treatment: All parts are heat-treated for longer life and less failure.

Easy Disassembly: Multi-step thread connection allows simple maintenance.

Wide Size Range: Available in 1-3 to 12-inch hammers for various applications.

OEM/ODM Support: Customized manufacturing services available for clients.

Established Manufacturer: Leading producer with over 20 years of industry experience.

Company profile

Changsha Heijingang Industrial Co., Ltd.

Hunan, China

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: ≤4.40h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryChangsha Heijingang Industrial Co., Ltd. is a China-based limited company established in 1999, specializing in rock-drilling equipment and pneumatic tools. Its stated product range includes DTH hammers and bits, drilling rigs, threaded bits, shank adapters, coupling sleeves, drill pipes, tool joints, and related spare parts. The supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications, 22 years of R&D engineer experience, 10 production lines, 11–20 quality-control staff, and stated annual capacities of 200,000 DTH hammers/drill bits and 10,000 drilling rigs. It began exporting in 2011 and reports customers or markets across multiple global regions. Evidence supports established manufacturing, certification, product breadth, and export capability. However, the provided information does not adequately demonstrate after-sales service systems, customization processes, customer case studies, or financial credibility.

Supplier typeThe supplier is identified as a privately operated limited company in China, established in 1999, with manufacturing and processing machinery as a commercial focus. Its described business involves researching and manufacturing rock-drilling equipment, pneumatic tools, drilling rigs, drilling bits, drill pipes, and related components, indicating a manufacturer rather than a trading-only entity.

CertificationsThe supplier reports ISO9001:2015 quality-management certification, ISO14001:2015 environmental-management certification, and ISO45001:2016 occupational-health-and-safety certification, plus other unspecified certifications. These stated certifications provide explicit evidence of formal management-system coverage.

R&D capabilityThe supplier reports 22 years of R&D engineer experience and describes research into rock-drilling equipment, including a new-style geothermal drilling rig. It also states that it uses advanced craft technology and conducts strict quality inspection, providing explicit support for engineering and product-development capability, although no patent or new-product output data is given.

Production capacityThe supplier reports 834 employees, a 54,034 m² manufacturing plant, 10 production lines, 11–20 quality-control staff, and stated annual capacities of 200,000 DTH hammers/drill bits and 10,000 drilling rigs. It also reports one-month fulfillment timing in both off-peak and peak seasons, which supports substantial and relatively consistent production capacity.

Product Q&A

Q:What are the main advantages of this DTH hammer?

Key advantages include valveless air distribution for reliability, simple piston design for longevity, high energy efficiency, heat-treated parts for durability, and easy disassembly for maintenance.

Q:What is the working pressure range for these hammers?

The working pressure ranges from 0.7-1.75 Mpa for 1-3 inch hammers up to 1.0-2.5 Mpa for larger 4-12 inch hammers.

Q:Is customization available for this product?

Yes, the product is customized. OEM and ODM services are available, and specifications can be tailored for mining applications.

Q:What is the lead time for production?

The average lead time is one month, regardless of whether it is peak season or off-season.

Q:What payment terms are accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, and Western Union.