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Mini Pneumatic Grinding Tools Air Die Grinder Bright Polish Grinding Set
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.

ALC21

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

Customized

Feature

Compact, Lightweight

Function

Deburring, Grinding, Polishing

Portable

Portable Grinder

Transport Package

Carton Box

Specification

compact, heavy-duty, lightweight

Trademark

Neutral or OEM

Origin

China

HS Code

84671100

Production Capacity

50000/Year

Key features

High-Speed Performance: Free speed up to 25,000rpm for efficient grinding and polishing tasks.
Compact and Lightweight: Weighing as low as 0.25kg, ensuring easy handling and reduced fatigue.
Quiet Operation: Features an integral silencer and flexible exhaust hose for extremely quiet work.
Variable Speed Control: Equipped with airflow regulators for constant speed under load and low air consumption.
Versatile Applications: Suitable for deburring, grinding, polishing, and rust removal in various industries.
Customizable Options: Offers flexible customization for collet capacity and other specifications.
Ergonomic Design: Modern design with ergonomically shaped grip for comfortable extended use.
Wide Industry Use: Ideal for automotive, aviation, aerospace, and metal product processing.

Company profile

Shanghai DW Tech Co., Ltd.
Importers and ExportersHigh Repeat Buyers Choice
Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.45h

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.

Product Q&A

Q:What is the free speed of the mini pneumatic grinder?
A:
The free speed ranges from 21,000rpm to 25,000rpm depending on the specific model.
Q:What collet capacities are available?
A:
Most models support 1/4'(6mm) and 1/8'(3mm) collet capacities, while some micro models support 1/8'(3mm) only.
Q:What is the air consumption for these tools?
A:
Air consumption varies by model, typically ranging from 6 cfm to 15 cfm (approx. 170L/min to 430L/min).
Q:Are these grinders suitable for industrial use?
A:
Yes, they are designed for industrial applications including engineering, foundries, aircraft construction, and automotive industries.
Q:Does the grinder have a variable speed feature?
A:
Yes, the grinders come with variable speed control and airflow regulators for constant speed under load.

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