Knurled M3-M8 Thumbscrews

Often I found myself needing thumbscrews on my projects, and since M3-M8 are my most commonly used sizes i decided to make myself some, and this is my Knurled version of my standard thumbscrews. The thumbscrews are designed for socket head screws and use a nut in the compartment on the underside to connect them securely together. Make sure to tighten them as well as possible beforehand. If you want extra strong bond between the bolt and the nut you can apply some thread locker or simi