LeMotech IP67 Large Junction Box Screw

This is a part I made in Microsoft 3D Builder with the help of "Nut Job" for the threads. It is a screw for this

LeMotech Waterproof Dustproof IP67 Junction Box DIY Case Enclosure Gray 15 x 11 x 5.1 inch (380 x 280 x 130 mm)

which I got on Amazon at this link

https://smile.amazon.com/gp/product/B075X16GYK

This is for the screws at the corners, not the box itself! When I got the box I stupidly overtightened the first screw and snapped the head off. Of course the design of the box and screws doesn't require torquing down the screws, it goes watertight when the screws are simply snugged in. Through various other misadventures with two of these boxes, I got to the point where I needed to replace four of the screws.

Unfortunately I could not find a well stocked source for the screws to replace them all. I found one source that had three each in stock, but if I wanted four of them, there was a 10 week lead time.

My recommendation for printing these is to go with