... LTD The Casing Scraper is used to clean cement, mud, embedded bullets, rust, mill scale, paraffin, perforation burrs and ... scraper.. Technical specification and parameter TypeMax. O.D. of blade strech out (mm)Min. O.D. of blade strech out (mm ... { 'aImgSrc': aBigImageSrc } ); } )(); casing scrapers( used to clean cement, mud, embedded bullets, rust, mill scale, paraffin, perforation burrs and other sub ...