What payment terms are accepted?

We accept LC, T/T, and Western Union.

What is the weight of the main unit?

The weight of the YT28 machine is approximately 26 kg.

What is the maximum drill hole depth?

The drill hole depth ranges from 100 to 150 meters.

Hand Pneumatic Air Leg Jack Hammer Rock Drilling Machine

Name: Hand Pneumatic Air Leg Jack Hammer Rock Drilling Machine
Brand: Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
SKU: 694948232

Shandong, ChinaShandong China Coal Industrial & Mining Supplies Group Co., Ltd.

US$750.00

1-9 Pieces

US$450.00

10+ Pieces

Product profile

Customization

Available

After-sales Service

Online Video Services

Warranty

Model NO.

YT28

Certification

Condition

New

Motor

AC Motor

Drill Hole Diameter

<100mm

Drill Hole Depth

100-150m

Bit Type

Diamond Bit

Drilling Way

Rotary

Structure

Deep Hole Drilling

Layout

Vertical

Controlling Mode

Artificial

Number of Shaft

Hole Diameter

<50mm

Automatic Grade

Manual

Precision

High Precision

Length

661mm

Cylinder Dia

80mm

Piston Stroke

60mm

Impact Frequency

37 Hz

Air Consumption

81 L/S

Air Pipe (Inner Dia)

25mm

Water Pipe (Inner)

13mm

Drill Bit Dia

34-42mm

Transport Package

Packed in Wooden Cases

Specification

National standard

Origin

China

HS Code

8465910000

Production Capacity

500 PCS /Week

Key features

High Efficiency & Torque: Features strong flushing, powerful torque, and high efficiency for medium-hard or hard rock.

Energy Saving Design: Grouped control mechanism ensures quick startup, energy saving, and long service life of parts.

Easy Maintenance: Convenient handling with 'air on, water on, air off, water off' mechanism for easy repair.

Reliable Quality: Parts are highly interchangeable with reliable performance and CE certification.

Competitive Price: Offers long life time and competitive pricing for cost-effective rock drilling operations.

Company profile

Self-brandedOverseas Services100% Finished Products InspectionProduct Certification

Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2008-08-01Nearest Port: Qingdao, Ningbo,Shanghai,ShenzhenAverage Response Time: ≤0.32hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryThe supplier is a combined company with manufacturing, export, service, quality-control, R&D, and sustainable-development capabilities. It offers broad customization, reports new-product development in the past year, and provides ODM services. Manufacturing evidence includes multiple processing and finishing machines, inventory capability, valid contracts with associated subcontractors, and documented inspection and corrective-action procedures. Overseas service is available in Denmark, Colombia, India, and Georgia, covering installation, debugging, maintenance, repair, and training, but the supplier has no overseas warehouse, showroom, agent, or branch. CE and CCC product certifications are reported. Financial records are identified for 2021–2023, but their results are not provided. The supplier has OEM experience with well-known brands but no Fortune 500 collaboration reported.

Supplier typeThe supplier is identified as a combined company and reports manufacturing equipment, inventory capability, and valid contracts with each associated subcontractor. This supports a combined manufacturing and service-oriented supplier profile, although the exact ownership or operating structure is not further detailed.

CertificationsThe supplier reports CE and CCC product compliance certifications and an unspecified management-system certification described as “Others.” Product certification coverage is explicitly stated, but the specific management certification is not identified.

After-Sales capabilityThe supplier provides overseas debugging, maintenance, repair, training, and equipment installation in Denmark, Colombia, India, and Georgia. It has no overseas warehouse, showroom, agent, or branch, which limits local infrastructure but does not negate the stated service offering.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has an available SDK. These statements directly support active R&D and product-development capability.

Production capacityProduction-related evidence includes cutting, painting, sawing, and shearing equipment; inventory capability; valid manufacturing contracts with associated subcontractors; and a one-month average lead time in both off-season and peak season. Documented finished-product inspection, supplier-service procedures, and corrective/preventive-action records further support operational control.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad service range is reported in both R&D and design-capability information, providing clear evidence of extensive customization coverage.

Client casesThe supplier reports OEM service for well-known brands and participation in the Changsha International Construction Machinery Exhibition. It reports no collaboration with Fortune 500 companies; therefore, some customer and market-exposure evidence exists, but detailed customer names, projects, or verified case outcomes are unavailable.