Screws

Andrew Klein created screws with completely disappearing grooves on the head

(ORDO NEWS) — The Youtuber-inventor has created a screw with an unusual design: the socket for the screwdriver disappears completely when the tool is removed. Let’s take a closer look at the new invention of Andrew Klein. According to blogger-inventor Andrew Klein, such screws will give the furniture more “aesthetics”. However, he is in no hurry to launch them into mass production. Who is Andrew Klein? Andrew Klein is a…