Feekoon 1/8" Pneumatic Pencil Die Grinder, 56, 000 RPM Air Micro Grinder Tool with 1/4" NPT, High Speed Multi Purpose Tool for Mold Polishing, Metal Deburring, Engraving, Brake Caliper Cleaning

Product Name: 1/8" Pneumatic Pencil Die Grinder Product Overview This high speed, lightweight pneumatic pencil die grinder is designed for precision work such as deburring, mold polishing, weld cleanup, brake caliper grinding, and engraving. With its compact structure and air powered drive, it's ideal for professionals in metalworking, automotive repair, and toolmaking. Technical Specifications Product Name: Pneumatic Pencil Die Grinder Power Source: Pneumatic (External Air Compressor Required) Max Speed: 56, 000 RPM (No Load) Operating Pressure: 90 PSI (6.2 bar) Air Consumption: 4.0 CFM (113 L/min) Collet Size: 1/8 inch (3.175 mm) Air Inlet: 1/4"" NPT Quick Connect Tool Length: 5.4 inches (137 mm) Total Length: 60 inches (with air hose) Net Weight: Approx. 300 g Construction: CNC Aluminum Body + Brass Fitting Noise Level: 73–75 db Installation Steps 1. Ensure the air compressor delivers ≥90 PSI and ≥4.0 CFM. 2. Add 2–3 drops of pneumatic tool oil into the air inlet before each use. 3. Connect the included or compatible air hose to the 1/4"" NPT fitting securely. 4. Insert a 1/8"" bit into the collet and tighten it with the provided wrenches. 5. Slowly open the air supply and test for smooth operation and acceptable vibration. Proper Usage Instructions Hold the tool gently like a pen. Avoid applying excessive pressure. Select proper grinding bits according to the work material (e. G. , grinding stones, wool wheels, carbide burrs). Maintain even tool movement to avoid overheating and ensure consistent finish. Safety Precautions 1. Always wear protective gear: safety glasses, gloves, and earplugs. 2. Do not operate the tool above 120 PSI. 3. Disconnect air supply and remove accessories after use. "

• 56, 000 RPM Air Powered Die Grinder for Detail Work: This pneumatic pencil die grinder delivers an impressive 56, 000 RPM, allowing for ultra smooth, high precision grinding and polishing. Whether you're finishing metal edges, deburring welds, or polishing mold cavities, this air micro grinder ensures efficient and accurate results. Designed for professionals who demand both speed and control in tight or delicate workspaces
• Universal 1/8" Collet – Compatible with Most Accessories: Equipped with a standard 1/8 inch (3.175mm) collet, this air die grinder is widely compatible with bits, wool polishing wheels, carbide burrs, abrasive stones, and other commonly used accessories. It supports fast accessory changes, making it ideal for cutting, grinding, metal polishing, rust removal, engraving, and deburring across a wide range of materials
• CNC Machined Aluminum Body + Brass 1/4" NPT Fitting + Quiet Air Hose: This precision air die grinder features a CNC machined aluminum housing and steel rotor for durability and control. At just 5.4 inches long, it's compact and easy to handle. The 1/4" NPT quick connect brass fitting ensures a tight, leak free connection. Paired with a low noise rubber air hose, it reduces vibration and airflow noise, delivering a smoother, quieter experience
• Low Air Consumption – Efficient Operation with Compact Air Systems: With an air consumption of just 4.0 CFM at 90 PSI, this pneumatic die grinder runs efficiently on air compressors with tanks as small as 20 gallons. It's ideal for professional workshops, garages, and home tool stations. Compared to bulkier grinders, it consumes less air, making it perfect for portable or compact air systems while maintaining powerful, reliable performance
• Versatile Applications – Ideal for Mold Polishing, Automotive Repair, and Metalwork: Engineered for precision tasks, this air die grinder excels in mold finishing, metal deburring, weld cleanup, brake caliper cleaning, machining, and engraving. A reliable tool for machinists, auto technicians, metal fabricators, and serious DIY users, it delivers consistent results across a wide range of professional and workshop scenarios