What are the available face shapes for the drill bits?

We offer Drop Center, Concave Face, Convex Face, Double Gauge Face, and Flat Face bits, each designed for specific rock hardness and air pressure conditions.

How are the drill bits packaged?

The drill bits are packaged in standard wooden cases. For large quantities, shipping is done by container.

What is the minimum order quantity?

The minimum order quantity is 1 set.

Low High Pressure DTH Hammer Drill Bit for Hard Rock

Name: Low High Pressure DTH Hammer Drill Bit for Hard Rock
Brand: Ji Ning Hengwang Mining Machinery Co., Ltd.
SKU: 901261725

Shandong, ChinaJi Ning Hengwang Mining Machinery Co., Ltd.

US$240.00-440.00

5 Pieces

Sample price:US$240.00/piece.Request sample

Product profile

Customized

Length

Taper-length

Type

Center Drill Bit

Model NO.

DHD360A

Material

High Carbon Steel

Usage

Well Drilling

Name

Single Drum Road Roller

Weight

22.5-30.4kg

Color

Yellow

Spline

Port Hole

Transport Package

Wooden Case

Specification

154-203mm

Trademark

Origin

China Shandong

HS Code

8207199000

Production Capacity

10000PCS/Month

Key features

Customized Design: Supports customization from samples, designs, and full customization options.

High Carbon Steel: Constructed from high carbon steel for durability in hard rock drilling.

Multi-Application: Suitable for mining, RC, RAB, geothermal, oil/gas, and construction.

5 Face Shapes: Offers Drop Center, Concave, Convex, Double Gauge, and Flat face options.

1-Year Warranty: Includes 1-year machine warranty with local spare parts support.

Technical Support: Provides manuals, videos, and on-site instruction for installation.

Certified Quality: Products certified with CE, ISO, BV, and TUV standards.

Factory Direct: Direct from manufacturer with ISO certification and 20+ R&D engineers.

Company profile

High Repeat Buyers ChoiceR&D CapabilitiesSelf-brandedOverseas Warehouse

Ji Ning Hengwang Mining Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤9.69h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryHengwang is a machinery and equipment supplier covering drilling machinery, engineering machinery, components, mining tools, hydraulic and pneumatic tools, construction equipment, and related accessories. It operates three production lines and reports defined output across several product categories, with exports to South America, Southeast Asia, the Middle East, and Europe. The supplier demonstrates customization capability, quality-control procedures, material traceability, complaint-handling records, overseas service offerings, and CE certification. However, it does not provide OEM services for popular brands, has no available SDK, and evidence for customer cases and financial strength is insufficient because the supplied financial fields identify years rather than substantive financial indicators.

Supplier typeThe supplier is a manufacturer and seller of mining, drilling, hydraulic, construction, and engineering machinery and accessories. Its stated scope includes production, processing, sales, and general import/export, while its product portfolio covers more than 40 categories across drilling machinery, engineering machinery, and components.

CertificationsThe supplier reports CE certification and states that its quality-control process includes quality assurance and traceability of raw materials. These are explicit indicators of certification and supporting quality-control practices.

After-Sales capabilityThe supplier has a documented complaint-handling procedure with follow-up records, a corrective and preventive action procedure with records, and overseas services including debugging, maintenance, repair, training, and equipment installation in Indonesia. Peak- and off-season lead times are both stated as within 15 working days, although supplier-service assessment records are incomplete.

R&D capabilityThe company describes a comprehensive product research and development layout driven by technological innovation and covering drilling, engineering, and component products. However, it reports no available SDK and no OEM service for popular brands, so the evidence supports product-development activity but not a broader technology-integration or branded-OEM advantage.

Production capacityThe supplier operates three production lines and reports annual output of 1,000 pile drivers, 1,500 water well drilling rigs, 2,000 road machinery units, 3,000 construction equipment units, and 10,000 hydraulic tool sets. It also has 28 quality assurance and quality control inspectors, indicating established production and quality-control capacity.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, and minor customization. The range of stated options indicates broad accommodation of customer-specific requirements.

Product Q&A

Q:Are you a factory or trader?

We are a factory that has passed ISO certification. You can contact us to see the factory.

Q:What kind of drilling rigs do you have?

We mainly offer hydraulic drilling rigs for soils, pneumatic drilling rigs for rocks, DTH drilling rigs, big diameter drilling rigs, engineering drilling rigs, and geological exploration drilling rigs.

Q:What certificates do you have?

We hold CE, ISO, BV, and TUV certificates.

Q:Do you offer training?

Yes, each model comes with supplementary instruction manuals and videos for installation and operation, as well as calling instructions and working site instructions.

Q:What is the warranty policy?

We provide a 1-year machine warranty. We use famous brand parts to help you find local replacements and have 3 spare parts centers to guarantee timely delivery of spare parts.