Quote:
Originally Posted by tucker6
Where McMaster Carr shines is their work up front with engineering companies. The Parts List literally says McMaster Carr part no. 1234567 or equal. You never see Grainger on a parts list. So MC took the time to go to the source, made life easier for the mechanical engineer by recommending the correct parts, and got spec'd in at the beginning. In the field, no one looks for the "or equal" when you have the part number in front of you. Good business model. All the work up front and then sit back and wait for the call that always comes.
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Also a lot of Grainger items are poor quality, especially electrical switch gear.
On that stuff if I did not like how it looked I sent people to Consolidated Electrical Distributors. They probably have more USA locations than anyone of the electrical supply houses.
I was stoked when I found a funky capacitor of the likes I never seen
at McMaster. I never saw so many spade terminal connections. The damn Trane AC bastards or whomever they were only sold to their their licensed service techs. McMaster even had a tech line that put me in touch with a guy who told me how to hook it up.
I did not know there were parts lists with McMaster part numbers on them, that is great. I know one thing, most people want an exact replacement, myself included. I had a Vector Control Drive go out on a CNC Lathe of mine that ran the spindle. Damn thing was obsolete and my local repair house said they don't even fix those. I had to buy a new one that was quite different, it must have had 50 wire connections that I had to read up on and I had to calibrate it the best I could. I got it to work, it isn't perfect but no harm done. I could never get it perfectly calibrated, some spindle speeds it runs lower than programmed others higher, totally weird, understanding using frequencies to control motor speed is above my pay grade.
