Abstract: A circular knitting machine cam holder mounting arrangement comprising a plurality of top cam holders, a plurality of bottom cam holders, a plurality of top cams, a plurality of bottom cams, and a plurality of track blocks, wherein: a plurality of second top cam holders and a plurality of second bottom cam holders are respectively fastened to peripheral flange of the top cam holders and the bottom cam holders, the second top cam holders and the second bottom cam holders each comprised of at least two holder parts abutted against one another, the holder parts of the second top cam holders and said second bottom cam holders each comprising a peripheral flange, a plurality of screw holes equally spaced on the peripheral flange, a plurality of screws respectively installed in the screw holes to secure the top cams and the bottom cams to the second top cam holders and the second bottom cam holders.