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JET J‑4421‑2 20 In Disc Grinder 3PH 220 V
- $1,024.00
- Brands JET
- Product Code: 577010
- Availability: In Stock
JET J-4421-2 20 In. Disc Grinder 3-Phase 220VProduct OverviewThe JET J-4421-2 20 In. Disc Grinder is a heavy-duty industrial grinding machine designed for demanding metalworking, fabrication, maintenance, and production applications. Equipped with a large 20-inch grinding disc and a powerful 5 HP motor, it provides the capacity needed for substantial material-removal and finishing work.This model ..
Industrial 20 In Disc Grinder with Tilting Table and Guard
JET J-4421-2 20 In. Disc Grinder 3-Phase 220V
Product Overview
The JET J-4421-2 20 In. Disc Grinder is a heavy-duty industrial grinding machine designed for demanding metalworking, fabrication, maintenance, and production applications. Equipped with a large 20-inch grinding disc and a powerful 5 HP motor, it provides the capacity needed for substantial material-removal and finishing work.
This model is configured for 220V, 3-phase electrical service, making it suitable for industrial facilities with compatible power infrastructure. Its robust construction and adjustable work area provide a stable platform for grinding, deburring, edge preparation, and general metal finishing.
Key Features
20-Inch Grinding Disc: Provides a large abrasive surface for grinding and finishing larger workpieces.
5 HP Motor: Supplies substantial power for demanding material-removal applications.
3-Phase 220V Configuration: Designed for industrial facilities equipped with compatible three-phase electrical service.
Heavy-Duty Construction: Built for stability and durability in professional shop environments.
Adjustable Work Table: Allows workpieces to be positioned appropriately for different grinding and finishing tasks.
Industrial Grinding Performance: Suitable for stock removal, deburring, edge shaping, weld cleanup, and surface preparation.
Large Working Area: The 20-inch disc provides greater usable abrasive area than smaller bench-style grinding machines.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | JET |
| Model | J-4421-2 |
| Machine Type | Disc Grinder |
| Disc Diameter | 20 in. |
| Motor Power | 5 HP |
| Motor Speed | 3,450 RPM |
| Voltage | 220V |
| Phase | 3 Phase |
| Disc Speed | 3,450 RPM |
| Work Table | Adjustable |
| Application | Industrial grinding and metal finishing |
Grinding Applications
The JET J-4421-2 is designed to handle a variety of common metalworking operations, including:
Removing burrs and sharp edges
Grinding excess material
Weld cleanup
Edge preparation
Surface smoothing
General metal finishing
Fabrication and maintenance work
Stock removal
The large disc gives operators a broad abrasive surface, which can be particularly useful when grinding larger components or when greater contact area is desirable.
Industrial 220V 3-Phase Power
This version of the J-4421 series is configured for 220V three-phase power. Three-phase electrical systems are commonly used in commercial and industrial facilities because they provide an appropriate power supply for larger machinery.
Before installation, verify that the available electrical service matches the machine's requirements. Electrical installation should be completed in accordance with applicable local codes and the manufacturer's instructions.
Designed for Professional Shops
The J-4421-2 is built for environments where a grinder may be used regularly and under demanding conditions. Its combination of a 20-inch disc, 5 HP motor, and heavy-duty industrial design makes it substantially more capable than typical light-duty bench grinders.
The adjustable work area also gives operators greater control over workpiece positioning, helping accommodate different grinding angles and finishing requirements.
Ideal Applications
The JET J-4421-2 is well suited for:
Metal fabrication shops
Machine shops
Industrial maintenance departments
Manufacturing facilities
Welding and fabrication operations
Production environments
General industrial repair
Metal finishing applications
Product Specifications at a Glance
Brand: JET
Model: J-4421-2
Disc Size: 20 inches
Motor Power: 5 HP
Motor/Disc Speed: 3,450 RPM
Voltage: 220V
Electrical Phase: 3 Phase
Machine Type: Industrial Disc Grinder
Primary Applications: Grinding, deburring, edge shaping, weld cleanup, and metal finishing
Why Choose the JET J-4421-2?
The JET J-4421-2 20 In. Disc Grinder provides the power and working capacity needed for demanding industrial grinding operations. Its 20-inch abrasive disc offers a generous grinding surface, while the 5 HP motor provides the power necessary for substantial material removal.
With its 220V three-phase configuration and heavy-duty construction, the J-4421-2 is a practical choice for professional fabrication, maintenance, manufacturing, and metalworking facilities that need a dedicated industrial disc grinder.