If you go to Fire Mountain Gems, they have a whole section on this. There are so many types and sizes it would take me forever to write them all down.
Perazzi shotgun
The thread size is: M3.0-.5 The Browning part number for the bead is B1116580
Yes
3mm x 0.5
Bead size is a matter of choice and usage. The thread size under the bead depends on the manufacturer and sometimes production date. Searching for the manufacturer's name and "bead" will probably find some charts that list them.
Thread mills can be used to cut right and left hand threads. Thread mills can also be used for milling and pitching any sizes, including metric and imperial sizes. One can purchase Thread Mills via the official Thread Mill website.
start with a single but keep one very long end . take your next bead and thread it on the elastic then thread the elastic two beads over and repeat
I have an original 16 ga. nitro special made by Lefever. The sight bead is one eighth if an inch in diameter.
Beading thread is usually finer (thinner) and stronger than sewing thread. There are so many different kinds of sewing thread, it's hard to answer your question. Using the correct thread for the project is important in you want your work to last. You can get a sense of pride for a job well done.
they are called fabric sissors u can get them from bead or fabic stores
The same thread pattern as a Belgium made Browning. Same gun, same specs, different metal in the barrels.
SAE J475 is a specification for thread sizes on tubing. 38 may be a typographic error for a 3/8" thread.