I used some rafter hangers to put up the mezzanine in my new workshop. Initially I just fixed them in place with some 40mm 3.5 screws. However on the rafter hanger was written to use square twist nails. Being a bit of a novice at this I’d never heard of square twist nails so I decided to investigate.
I bought a couple of bags from my local hardware store and set to it.
![](https://junglefreedomfighters.com/wp-content/uploads/2023/10/PXL_20231012_104858040.PORTRAIT.jpg)
They are an absolute thing of beauty. They twist as you hammer them in and everything! Those rafter hangers are not coming out again!