aap’s Cannulated Screws offer the best combination of mechanical strength and bio-compatibility. Screw length comes in broad range and the thread diameters aap’s cannulated screws are demonstrated for a comprehensive range of fractures. Its properties are: Cannulated screws are little invasive and can be utilized in various types of fractures and in multiple anatomical regions. aap’s Cannulated Screws are self drilling as well as self-cutting (forwards and backwards). All Cannulated Screws are lead by Kirschner wire.