Hellow guys, Welcome to my website, and you are watching Mastering the Numerical 1: Square key | Design of shafts, keys and Bearings | GATE Machine Design. and this vIdeo is uploaded by Ekeeda GATE & ESE at 2023-09-02T04:53:08-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.