Grinding Machine Pen Pen 7pcs Pneumatic 000rpm Rotation Speed Pen 70 000rpm Pneumatic Set Pen Set Pen 70 Speed With 1/4 With 1/4 Size 70 000rpm Rotation Pen Pneumatic Pen Rusuo Buzhi

7PCS Pneumatic Sanding Machine Set Aluminum Grinding Pen 70 000rpm High Rotation Speed with 1/4 Thread Size Stainless steel rotor 70 000RPM high speed 30mm long wear-resistant with long durability and long service lifespan. nut and collet are heat-treated with high hardness high strength and nice corrosion resistance ability. High-speed pneumatic air grinding pen with premium material selection and fine workmanship using aluminum alloy housing not easy to rust. Pneumatic air polishing pen has advantages of high efficiency high precise low noise etc. It is widely used in machining auto repairing furniture manufacturing and other fields. Shipped with two different sizes of collets 2.38mm and 3mm you can change collets according to different usage requirements. 1/4 inch threaded air inlet port with high pressure resistant hose for stable and reliable performance. Wide applications it is suitable for metal polishing wood carving mold grinding burr repairing etc. pneumatic airbrush is a tool that uses pneumatic and is commonly used for machining and dressing materials such as metal wood and plastics. It works by generating through compressed air to drive grinding bit to rotate so as to realize processing of workpiece. With advantages of high efficiency high precise and low noise pneumatic air-grinding pen is widely used in fields of machining automobile repairing and furniture manufacturing. Specifications: Air inlet thread: 1/4 inch Rotational speed: 7000ORPM Item size: 243 * 155 * 43mm / 9.57 * 6.10 * 1.69in Package weight: 515g / 1.14lb Pencil diameter: 20mm Number of bearings: 3 bearings Collet size: 2.38mm 3mm Material: aluminum alloy+stainless steel Item weight: 510g / 1.12lb Name: 7-piece pneumatic air grinding pen set Working air pressure: 6.3kg/c 90ib/in2 Package size: 250 * 180 * 80mm / 9.84 * 7.09 * 3.15in Pencil length: 148mm Packing List: 1 * 3mm Collet 2 * Wrench 1 * 1.2m Air Hose 1 * Tube 1 * Fitting 1 * Grinding Pen (with 2.38mm collet) 1 * Empty Oil Pot