Um, machine screws tend to be fastened with a screwdriver, while bolts tend to have a nut and be fastened with a wrench. This leaves open what to call a fastener that uses an allen wrench - most common is capscrew, but bolt is also used.
Real quick JIS explanation from a motorcycle guy: https://www.youtube.com/watch?v=VpqUhIZ-EJo The VESSEL JIS +2 screwdriver is $10 from Amazon. https://www.amazon.com/gp/product/B000TG8OTY/ When I discovered JIS and bought a JIS +2 screwdriver, adjusting derailleurs and B-screws became a WHOLE lot easier. And, yes, there’s a dot on their heads - you just have to look close for it. aero (mechanical engineer) perf -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/3a3c5acf-79d4-429c-a05a-acaaa16a6ffdn%40googlegroups.com.