10-23-2013, 07:19 AM
Mostly, but not always. They usually consist of a spigot that a range of size of holesaws attach to. The spigot will have three flat sides to fit in a standard chuck. The way the holesaws attach to the spigot can vary by brand though..Some screw on, some attach via a nut, some have a dowel, some have two...blah blah
“Two billion people will perish globally due to being vaccinated against Corona virus” - rothschild, August 2021