Bosch GWS25-180JR 7 Inch Large Angle Grinder 15 Amp Corded Heavy Duty Metal Cutting Wheel Surface Disc Grinding Sanding Power Tool Protective Guards
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Bosch GWS25-180JR 7 Inch 15 Amp Corded Large Angle Grinder
The Bosch GWS25-180JR 7-Inch 15-Amp Large Angle Grinder operates as an industrial surface preparation and metal cutting power tool engineered to slice carbon steel beams, grind heavy weld seams, and strip rust scale across large metal assemblies. Driven by a high-output 15.0-amp motor producing 8,500 no-load RPM, this corded 7-inch angle grinder features a rotatable main handle, a 5/8-11 UNC spindle arbor, a continuous lock-on trigger switch, and a net tool weight of 10.9 pounds. Equipped with soft-start motor control, restart interlock protection, and a Vibration Control auxiliary side handle, this 120V grinder includes dedicated protective guards for both metal cutting and grinding applications in structural steel and commercial pipe fabrication.
Best Used For:
- Structural Steel Slicing & Beveling: Cutting through carbon steel I-beams, iron channels, structural metal plates, and beveling heavy-wall industrial pipe profiles.
- Commercial Weld Cleaning & Smoothing: Grinding down thick multi-pass weld seams, removing slag, and prepping joint edges for certified structural welding.
- Continuous Heavy Metal Surface Preparation: Stripping deep rust, mill scale, epoxy coatings, and corrosion across expansive steel surfaces using the lock-on trigger.
Key Performance & Safety Features
- High-Torque 15.0 Amp Motor: Industrial electric motor cranks out 8,500 RPM to sustain high material removal rates in carbon steel, cast iron, and metal weldments.
- Continuous Lock-On Trigger Switch: Ergonomic lock-on button keeps the motor engaged during long runs, reducing hand strain during extended grinding passes.
- Multi-Position Rotatable Main Handle: Rear main handle turns and locks to provide optimal hand placement and body posture for vertical or horizontal cutting angles.
- Vibration Control Side Grip: Shock-absorbing auxiliary handle dampens mechanical vibration to reduce operator fatigue and improve handling control.
- Smooth Torque Soft-Start Control: Limits initial power surges at startup to eliminate aggressive torque twists when engaging the motor.
- Smart Restart Interlock Protection: Prevents automatic motor reactivation following jobsite power supply interruptions, trips, or generator resets.
What's Included
- (1) Bosch GWS25-180JR 7-Inch 15-Amp Large Angle Grinder
- (1) Type A (41/1A) Closed Metal Cutting Wheel Safety Guard
- (1) Type B (27) Open Face Metal Grinding Wheel Safety Guard
- (1) Vibration Control Auxiliary Side Handle
- (1) Heavy-Duty Inner Support Backing Flange
- (1) Threaded Outer Disc Lock Nut
- (1) Specialized Dual-Pin Spanner Lock Nut Wrench
Technical Specifications
| Brand Manufacturer | Bosch |
| Model Identification Number SKU | GWS25-180JR |
| Motor Electrical Amperage | 15.0 A |
| System Operating Voltage | 120V AC Standard Power |
| No-Load Dynamic Rotation Speed | 8,500 RPM |
| Wheel Disc Capacity Diameter | 7.0 in. (177.8 mm) |
| Spindle Arbor Thread Size | 5/8 in. - 11 UNC Threading |
| Switch Control Mechanism | Continuous Lock-On Trigger Switch |
| Motor Overload Protection Sensors | Yes (Integrated Thermal Monitoring) |
| Tool Structural Dimensions | 20.3 in. L x 5.3 in. W x 4.3 in. H |
| Net Tool Assembled Weight | 10.9 lbs. (4.94 kg) |
| Dust Shroud Compatibility | Bosch 19DC-7 (Cutting Hood) / Bosch 18SG-7 (Grinding Hood) |
Pro-Tip: When grinding expansive steel plates for long periods, engage the lock-on trigger and use both hands to support the weight of the grinder via the rotatable handle and Vibration Control side grip. Maintaining a consistent 15 to 30 degree disc angle across the workpiece prevents surface gouging and maximizes grinding wheel life.
