Pneumatic Water Mill 4in Air Sander, Water Injection Polisher with 3 - Speed Adjustment, 4300rpm Air Polishing Machine for Marble Granite Stone Grinding and Polishing

Item Type: Pneumatic Water MillMaterial: Alloy steelColor: RedWorking Pressure: 6-8 kgDisk Diameter: Approx. 4inAir Inlet Size: Approx. 1/4inNo-Load Speed: 4300（rpm）Uses (Applicable Industries): Stone, ceramic polishingPackage List：1 x Water Mill1 x PU Tube1 x Wrench1 x User Manual 1 x Take Mouth1 x Grinding Disc

• Three-Speed Adjustment: This pneumatic water mill features three speed settings up to 4300rpm, delivering strong power output for efficient grinding and polishing on tough surfaces like marble and granite without overheating or stalling.
• Integrated Water Spray System: The built-in water spray nozzle wets the work surface during operation, effectively suppressing dust particles and reducing airborne , helping protect users from pneumoconiosis during prolonged stone polishing tasks.
• Versatile Professional Use: Ideal for stone fabricators, tile installers, and auto body shops, this air sander handles polishing, grinding, and smoothing on marble, granite, ceramics, and other hard materials with consistent, professional results.
• Durable Alloy Steel Construction: Made from high-rigidity alloy steel, this water injection polisher ensures long tool life and under high-pressure conditions (6–8 kg), while the ergonomic grip enhances comfort during extended use.
• Complete Ready-to-Use Kit: Includes 1 pneumatic water mill, 1 PU tube, 1 wrench, 1 user manual, 1 take mouth, and 1 grinding disc—everything needed to start polishing right away with a standard 1/4in air inlet and 4-inch disc diameter.