Seriously - how many "large" stores can you just call up and actually not have to wait on hold to talk to someone who is helpful, kind, and knowledgeable?
Mcmaster is great at what they do
Heck, forget the phone, I had an extended job once across the street from the New Jersey McMaster warehouse (Robbinsville Twnship) and you can go in there to get the same treatment. We spent A LOT of money on same day parts.