Industrial / B2B
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(630) 833-0300
Monday–Friday 7:00 AM – 6:00 PM, Saturday 7:00 AM – 2:00 PM (CT)
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McMaster-Carr is known for answering phone calls in seconds and emails in minutes. For the fastest response, call the main number or text 76947. You can also reach specific regional branches (Atlanta, Chicago, Cleveland, Los Angeles, and New Jersey) directly via their local numbers.
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