Usually designers avoid threaded joints if at the conventional “nut” less than two to three threads. Method shown in figure, allows you to make a threaded connection more reliable. However, to make a hood, will have to make a simple punch and die.
Recommend to read
MINI AIR COMPRESSOR FROM FRIDGE
For the qualitative and rapid painting using airbrushes and spray guns, for many other works in the home Studio suitable table mini-compressor which can be assembled from the compressor...
V8-ENGINE FROM SCRATCH
V8-motor built in 1992 from scratch. All parts are constructed Soren Pedersen. Ø21мм pistons, hub 20 mm runs on ordinary gasoline with 1% oil. Video:
