Alpha Tools PSG-125 Pneumatic Grinder 5" 5/8"-11 - PSG-125
Alpha Tools PSG-125 Pneumatic Grinder 5" 5/8"-11
Alpha Professional Tools is excited to announce its latest performance tool with the PSG-125 5” Pneumatic Grinder. This industrial quality grinder has a powerful 1.4 HP motor with a speed control governor. It is compact and has an ergonomic aluminum body, a reversible safety lever throttle, and two auxiliary handle positions. Its adjustable rotating exhaust and built-in oil port make this tool great for any environment! A wet-cutting kit and several specialty kits for various applications are also available.
Features
- Powerful 1.4 HP Motor with Speed Control Governor
- Compact Ergonomic Aluminum Body
- Reversible Safety Lever Throttle
- Kink-Free Air Hose for Easy Maneuverability and Reducing Operator Fatigue
- Two Auxiliary Handle Positions
- Built-in Oil Port for Easy Maintenance
- Adjustable Rotating Exhaust
- 2,000 Hour Duty Cycle
- Wet Cutting Kit Available (sold separately)
Included
- Blade Safety Guard
- Lock Nut with 7/8" Arbor
- Inner Flange
- Side Handle
- Hex Wrench (1/4")
- Pin Wrench
- Double End Wrench (1" / 32mm)
- Handle Bracket
- Washer and Seal Set
- Screw
- Rust Inhibitor Oil (8oz / 237ml) (AIR-008)
- Air Hose Assembly (15ft / 4.5m)
Specifications
| Air Pressure |
90 PSI (6.2 Bar) |
| Air Consumption Max |
33 CFM (934L/min) |
| No Load Speed |
12,000 RPM |
| Weight |
4.6 lbs (2.1 kgs) |
| Length |
11-3/4” (298mm) |
| Air Inlet |
3/8” NPSM |
| Spindle |
5/8”-11 |
| Maximum disc capacity |
5” x 1/4” x 7/8” |
| Max. HP |
1.4 HP |
What Our Experts Think
-
Powerful Pneumatic Performance: Air-powered for consistent, high-torque grinding without overheating.
-
Precision Grinding & Shaping: Ideal for stone, concrete, and hard surfaces, delivering smooth and accurate results.
-
Lightweight & Ergonomic: Designed for comfortable handling and reduced operator fatigue during extended use.
-
Durable Construction: Built to withstand tough job site conditions for long-lasting performance.
-
Versatile Compatibility: 5" grinding capacity with a standard 5/8"-11 spindle for use with a variety of grinding wheels.
-
Dust-Resistant Design: Perfect for wet and dry applications, minimizing airborne dust for a cleaner workspace.
Q&A
Q: What is the Alpha Tools PSG-125 Pneumatic Grinder - 5" 5/8"-11?
A: The Alpha PSG-125 is a high-performance 5-inch pneumatic grinder designed for precision grinding, shaping, and material removal on stone, concrete, and other hard surfaces.
Q: Why choose this pneumatic grinder?
A: It delivers powerful, consistent performance with minimal vibration, making it ideal for professional stone fabricators and contractors.
Q: What materials can it be used on?
A: This grinder is perfect for granite, quartz, marble, concrete, and engineered stone applications.
Q: Does it require an air compressor?
A: Yes, it operates using compressed air, ensuring a reliable and efficient power source without the need for electricity.
Maintenance Tips
-
Clean After Each Use: Wipe down the grinder to remove dust, debris, and residue. Use compressed air to clean internal components.
-
Lubricate Regularly: Apply pneumatic tool oil to the air inlet before and after use to keep internal parts running smoothly.
-
Inspect the Grinding Disc: Check for cracks, uneven wear, or dullness. Replace if damaged to ensure safe and effective grinding.
-
Check Air Supply: Ensure the compressor provides the correct PSI and CFM for optimal performance. Drain moisture from the air lines regularly.
-
Secure Fasteners: Periodically tighten screws, bolts, and disc attachments to prevent loosening during operation.
-
Monitor Air Hoses: Inspect hoses for leaks, cracks, or kinks. Replace any damaged hoses to maintain steady airflow.
-
Use Proper Grinding Pressure: Let the tool do the work—excessive force can cause overheating and premature wear.
