Stock cabinets are readymade, pre-manufactured cabinets, meaning they’re mass-produced in a factory and ready to ship when ordered.
They’re sold in modular units, and no customization is available.
What you see is what you get! The advantages of stock cabinets are affordability and a quick delivery time. However, you usually have a limited selection of styles, shapes, colors, wood type, etc.
Standard Width: Start at 9″ with 3″ increments to 48″
Standard Depth: 12″ for wall cabinets, 24″ for oven, base, and utility cabinets.