Krishna Engineering Works Manufacturing, Exporting & Supplying of Air Shafts like Mechanical Shaft, Quick Lock Shafts, Multi Tube Shafts-Profile Krishna Engineering Works is a leading Manufacturer of Flexible Packaging, Paper, Tire-Cord, Textile Machinery with Successful Installations The shaft is capable of taking any challenge arising out of heavy load and speed. It is possible only because of positive gripping and core centering achieved without any extra efforts with the help of cam/lug design. It is very much advantageous with cores having uneven inside diameter.