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. 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. Wide applications, it is suitable for metal polishing, wood carving, mold grinding, burr repairing, etc. 1/4 inch threaded air inlet port with high pressure resistant hose for stable and reliable performance. nut and collet are heat-treated, with high hardness, high strength and nice corrosion resistance ability.
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:
Number of bearings: 3 bearings
Item size: 243 * 155 * 43mm / 9.57 * 6.10 * 1.69in
Collet size: 2.38mm, 3mm
Rotational speed: 7000ORPM
Working air pressure: 6.3kg/c, 90ib/in2
Package weight: 515g / 1.14lb
Package size: 250 * 180 * 80mm / 9.84 * 7.09 * 3.15in
Pencil length: 148mm
Air inlet thread: 1/4 inch
Item weight: 510g / 1.12lb
Material: aluminum alloy+stainless steel
Name: 7-piece pneumatic air grinding pen set
Pencil diameter: 20mm
Packing List:
1 * Tube
1 * Grinding Pen (with 2.38mm collet)
1 * 3mm Collet
1 * 1.2m Air Hose
1 * Empty Oil Pot
1 * Fitting
2 * Wrench
WARNING: 