The 631 from Adafruit falls under the mounting fixings category. This component is defined by a type of Bracket, Threaded Hole(s), a shape of Short L, a thread/screw/hole size of 0.136" (3.45mm) (2), 8-32 and a material of Steel, Tin Plated. This part has a typical lead time of 62 Days from factory and ships with a full manufacturer datasheet available for download. Simplytronix stocks 631 for same-day shipping with genuine parts guaranteed.