What types of abrasives can be used with these grinders?

They match carbide burrs, mounted points, grinding wheels, grinding brushes, and sandpaper.

What is the free speed range of the machines?

Free speeds range from 4500rpm to 70000rpm depending on the model.

What is the nearest port for shipping?

The nearest port is Shanghai Port.

High Speed 20000rpm Grinding Machine Pneumatic Mini Straight Air Die Grinder

Name: High Speed 20000rpm Grinding Machine Pneumatic Mini Straight Air Die Grinder
Brand: Shanghai DW Tech Co., Ltd.
SKU: 2152523255

Shanghai, ChinaShanghai DW Tech Co., Ltd.

US$26.60

1-9 Pieces

US$26.00

10-49 Pieces

US$25.50

50-99 Pieces

US$25.00

100-499 Pieces

US$23.00

500+ Pieces

Product profile

Customization

Available

Type

Die Grinder

Power Source

Pneumatic

Model NO.

ASB25/ALC21/ALD20

Object

Milling Cutter

Application

Industrial Use

Disc(Wheel) Type

Grinding Disc

Material

Metal

Working Style

High-speed universal

Disc Diameter

Flap Wheel

Variable Speed

With Variable Speed

Collet Capacity

1/4"(6mm) and 1/8"(3mm)

Free Speed

21000rpm

Air Consumption

15cfm

Power Supply

Air Power

Air Presure

90psi

Air Inlet

1/4"

Exhaust

Front Exhaust

Customized

Feature

Compact, Lightweight

Function

Deburring, Grinding, Polishing

Portable

Transport Package

Carton Box

Specification

compact, heavy-duty, lightweight

Trademark

MRT-INDUSTRY

Origin

China

HS Code

84671100

Production Capacity

50000/Year

Key features

High Speed Performance: Free speeds ranging from 4500rpm to 70000rpm for efficient grinding and polishing.

Wide Application Range: Suitable for automotive, aviation, petrochemical, medical, and metal processing industries.

Versatile Abrasive Compatibility: Matches carbide burrs, mounted points, grinding wheels, brushes, and sandpaper.

Compact and Lightweight: Models weigh as little as 0.25kg with lengths ranging from 200mm to 300mm.

Flexible Customization: Offers flexible customization options for specific industrial requirements.

Variable Speed Control: Equipped with airflow regulators for precise speed adjustment during operation.

Multiple Collet Options: Supports 1/4 inch (6mm) and 1/8 inch (3mm) collet capacities for various tools.

Comprehensive Product Line: Includes angle grinders, straight grinders, sanders, and various abrasive accessories.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Shanghai DW Tech Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.70h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with a broad stated sales and technical-service scope. It offers ODM and flexible customization, has in-stock service capacity, and reports lead times within 15 working days in both peak and off-season periods. However, it has no overseas warehouse, showroom, agent or branch, and no reported offline trade-show participation. Its service-management documentation is weak: no written assessment procedures or approved supplier list are reported. Financial information is inconsistent across the provided records, with 2024 revenue reported in one slice but zero revenue and profit-related figures in others; therefore, financial credibility cannot be confirmed. No certification information, customer cases, or completed-product quality system beyond packing-staff inspection is provided.

Supplier typeThe supplier is explicitly classified as a Trading Company. Its stated scope includes sales of mechanical equipment, instruments, metal products, hardware, furniture, household appliances, daily necessities, musical instruments, and related technical services, indicating a broad commercial and service-oriented profile rather than a clearly documented manufacturing identity.

After-Sales capabilityThe supplier reports in-stock service capacity and lead times within 15 working days in both peak and off-season periods. However, it has no overseas warehouse, showroom, overseas agent or branch, serves zero stated overseas countries, and lacks written service-capability assessment procedures and an approved supplier list; after-sales coverage is therefore locally supported but internationally limited and procedurally underdocumented.

R&D capabilityThe supplier explicitly provides ODM services and describes ongoing innovation and integration of product resources. However, it has no available SDK and no OEM service for popular brands, so the evidence supports design and development service availability but not broad technical-platform or branded OEM capability.

Customization capabilityThe supplier explicitly offers ODM services and describes its design capability as flexible customization. These statements directly support the availability of customized design and product-development services.