Bosch Angle Grinder GWS25-230JR 9 Inch 15 Amp Corded Heavy Duty (6500 RPM 5/8-11 Spindle Lock On Switch Metal Cutting Grinding Sanding Tool)
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Bosch GWS25-230JR 9 Inch 15 Amp Corded Large Angle Grinder
The Bosch GWS25-230JR 9-Inch 15-Amp Large Angle Grinder operates as an industrial-strength metal cutting and surface preparation power tool engineered to slice structural steel plates, grind multi-pass weldments, and clean industrial castings. Driven by a heavy-duty 15.0-amp motor producing 6,500 no-load RPM, this corded 9-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 smooth soft-start torque control, restart protection, and a Vibration Control auxiliary side handle, this 120V grinder includes dedicated protective guards for both metal cutting and grinding applications across steel fabrication yards and shipyards.
Best Used For:
- Heavy Structural Steel Plate Slicing: Cutting through thick carbon steel plates, iron beams, and structural channels using high-torque 9-inch cut-off wheels.
- Large Weldment & Casting Grinding: Flushing down massive multi-pass weld seams, beveling thick pipe ends, and smoothing industrial casting flaws.
- Expansive Surface Prep & Scale Removal: Stripping deep rust, mill scale, epoxy coatings, and slag across large metal surfaces using the continuous lock-on trigger.
Key Performance & Safety Features
- High-Torque 15.0 Amp Motor: Industrial electric powertrain generates a continuous 6,500 RPM for rapid material removal rates under heavy structural loads.
- Extended 9-Inch Wheel Capacity: Large-format 9-inch wheel footprint covers more surface area per pass to reduce job completion times on expansive metal assemblies.
- Continuous Lock-On Trigger Switch: Ergonomic trigger lock keeps the motor engaged during long runs to eliminate hand strain and operator fatigue.
- Multi-Angle Rotatable Main Handle: Rear main handle pivots and locks to grant optimal body mechanics and comfortable posture for horizontal cutting or vertical face grinding.
- Anti-Vibration Side Auxiliary Handle: Dual-position Vibration Control side handle dampens harsh mechanical feedback to shield hands and arms during long grinding shifts.
- Soft-Start & Restart Interlock Safety: Limits startup torque surges to prevent tool twisting and guards against accidental motor spin after power interruptions or breaker resets.
What's Included
- (1) Bosch GWS25-230JR 9-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) Premium Metal Inner Backing Flange
- (1) Threaded Outer Disc Lock Nut
- (1) Dual-Pin Spanner Lock Nut Wrench
Technical Specifications
| Brand Manufacturer | Bosch |
| Model Identification Number SKU | GWS25-230JR |
| Motor Amperage Rating | 15.0 A |
| System Electrical Voltage | 120V AC Standard Power |
| No-Load Dynamic Rotation Speed | 6,500 RPM |
| Wheel Disc Capacity Diameter | 9.0 in. (228.6 mm) |
| Spindle Arbor Thread Size | 5/8 in. - 11 UNC Threading |
| Switch Interface Configuration | Continuous Lock-On Trigger Switch |
| Electronic Overload Protection | 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 System Compatibility | Bosch 19DC-9 / 19DC-7 (Cutting) & Bosch 18SG-7 (Grinding) |
Pro-Tip: When cutting thick 9-inch structural steel plate, avoid forcing or pushing down heavily on the tool body. Let the 15-amp motor and 6,500 RPM wheel speed carry the weight of the cut while holding a firm grip on the rotatable handle and Vibration Control side grip to prevent disc pinching.
