YUKO Flex Horn #AO320 BC-20.0 AO320 BC-20.0 1 piece

Catalogue number: BC-20.0 Features: * A ball made of sintered artificial abrasive grains is attached to the fiber resin feet protruding from the shaft. * The feet are made of nylon resin and are highly elastic, making it possible to polish burrs and uneven surfaces on the inside of workpieces. Applications: * Deburring, polishing and finishing the inside of various general industrial equipment and parts. * Rust removal and polishing of the inside of various cylinders for automobiles, railway cars, ships, etc. * Rust removal, deburring and polishing of the inside of 4 to 900 mm pipes. Specifications: ● Shaft diameter (mm): 4.8 ● Suitable inner diameter (mm): 19.0-21.0 ● Total length (mm): 203 ● Abrasive grain: Aluminum oxide ● Abrasive grain length (mm): 63 ● Tools used: Air drill, electric drill (three-speed), drill press ● Rotation speed varies depending on the workpiece, but is used between approximately 300 and 1200 rpm ● Working time varies depending on the workpiece material and purpose of use, but as a guideline 10-20 seconds, reciprocating motion is approximately one reciprocation every 2 seconds ● Grinding fluid uses aqueous solution (soluble type) or spindle oil Material/Finish: ● Shaft: Zinc-plated wire