Megadepot Flat $5 on First Purchase of Industrial Equipment Coupon Code September 2024. Mega Depot is the factory-authorized distributor for a select group of prominent manufacturers of equipment, tools and instruments for applications within industrial, automotive, utility and specialty markets. They offer products for test, measurement, safety, laboratory, electrical, marking and identification, MRO, HVAC, welding, automotive, communications and networking, industrial, optics, and software etc.