On Tuesday, February 7, 2017 at 5:24:36 PM UTC-8, Bob La Londe wrote:
I've been buying these 100 at a time from McMaster-Carr
https://www.mcmaster.com/#57455K51 for a $1.90 each. I'm starting to use
them up quick enough that I'd like to see if buying 250 - 500...


Maybe this outfit?
http://www.essentracomponents.com/en-us/knobs-handles-grips/hand-wheels-knobs/tapered-knobs/tapered-knobs-conical