As the name suggests, 2.4 mm Cortical Screw Self Tapping is applied in the cortical region of the bone which is hard. These screws have a self-tapping tip that allows them to tap their hole during application. This eases the process of insertion. Cortical screws are known to create tight friction between threads. Siora Surgicals Pvt. Ltd. is an experienced manufacturer of a CE-certified range of trauma implants and instruments including self tapping cortical screws. The company owns an advanced production facility in the RAI District, Sonepat, Haryana, and is also known as a trustworthy OEM/contract manufacturing service provider across the globe. https://www.siiora.com/product/2-4mm-cortical-screw-self-tapping-hexdrive/