New version pneumatic chamfering and deburring machine with an improved housing and high-quality bearings. It uses precision heat-treated tungsten carbide blades for robust, durable performance, high cutting power and long service life. Clever design: 5-position air valve control with a thickened knob to set the required feed rate; burr size adjustable from 0.1 mm to 1.5 mm; 360-degree rotating exhaust outlet for effective heat dissipation and high work efficiency; safety switch prevents accidental contact and protects the user at all times. Performance: free speed up to 30000 rpm; air consumption 0.4 m3/min; capable of withstanding high shocks and high speeds with high concentricity, low vibration, low wear and longer life; speed is enhanced for a smoother chamfer. Uses and applications: ideal for deburring and chamfering edges on metal tubes and rods in fabrication; finishing weld beads and machined edges on automotive or machinery components; preparing edges on small plastic or metal parts during assembly.