YUKO Flex Horn #SC320 BC-4.0 SC320 BC-4.0 1 piece

Catalogue number: BC-4.0 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 on the inside of workpieces and uneven surfaces. Applications: * Deburring, polishing, finishing and chamfering the inner surfaces of cylindrical parts of various equipment and parts. * Honing finish for internal combustion engines, hydraulic cylinders and other cylinders. * Rust removal, cleaning and polishing of the inner surfaces of tubes and pipes. Specifications: ● Suitable inner diameter (mm): φ3.8-4.0 ● Overall length (mm): 152 ● Abrasive grain length (mm): 19 ● Shaft diameter (mm): φ1.4 ● Tools used: Electric drill, drill press, machining, etc. ● Rotation speed is 300-1206 rpm according to the processing purpose, and reciprocating strokes (in and out) are performed at the same time as rotation. ● Grinding fluid is used in wet mode, such as aqueous solution (soluble type) or grinding oil. Material/Finish: ● Abrasive grain: Silicon carbide ● Shaft: Zinc-plated wire ● Brush part: Nylon