What are the available bit face shapes?

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.

What is the minimum order quantity?

The minimum order quantity is 1 set.

How is the product packaged?

The drill bit is packaged in a standard wooden case. For large quantities, shipping is done by container.

90-108mm Down-The-Hole Hammer Bit in Mining

Name: 90-108mm Down-The-Hole Hammer Bit in Mining
Brand: Ji Ning Hengwang Mining Machinery Co., Ltd.
SKU: 765251272

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

US$90.00-150.00

10 Pieces

Sample price:US$90.00/piece.Request sample

Product profile

Customized

Length

Taper-length

Type

Center Drill Bit

Model NO.

SP35A

Material

High Carbon Steel

Usage

Well Drilling

Product Name

DTH Bit

Spline

Port Hole

Weight

4.3-4.9kg

Color

Yellow

Transport Package

FCL

Specification

90-108mm

Trademark

Origin

China

HS Code

8207199000

Production Capacity

10000PCS/Month

Key features

Versatile Application Range: Suitable for mining, RC/RAB exploration, geothermal, oil/gas, and construction piling.

Multiple Bit Face Options: Available in Drop Center, Concave, Convex, Double Gauge, and Flat Face shapes for various rock hardness.

High Carbon Steel Material: Constructed from high carbon steel for durability and resistance to steel wash in abrasive formations.

Customizable Specifications: Offers customization for product name, spline, port holes, weight, and color based on requirements.

Comprehensive Technical Support: Provides instruction manuals, videos, calling support, and on-site guidance for installation and operation.

1-Year Machine Warranty: Includes a 1-year warranty with access to spare parts centers and famous brand parts for local replacement.

Certified Manufacturer: Factory with ISO, CE, BV, and TUV certifications ensuring quality and professional manufacturing.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.

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: ≤9.25h 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 produce 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, along with calling instruction and working site instruction.

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 spare parts supply.