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Why Do Commercial Espresso Machines Commonly Use 58 mm Portafilters? In the professional coffee industry, the 58 mm portafilter has become the standard for commercial espresso machines. This size is widely adopted by cafés, foodservice establishments, and specialty coffee enthusiasts worldwide due to its advantages in performance, stability, and operational convenience. Understanding why 58 mm has become the mainstream helps equipment manufacturers and buyers make informed decisions when selecting machines or accessories.     From an extraction perspective, the 58 mm specification supports...

By 2026, the espresso machine market is entering a phase of “refined execution,” where technological updates prioritize stability, maintainability, and channel adaptability rather than chasing peak specifications. For B2B buyers and brand planners, the key is selecting models that deliver consistent results, feature serviceable structures, and comply with international standards.   1. Performance: Prioritizing Repeatability Over Peak Pressure The industry trend has shifted from pursuing maximum pressure to ensuring stable pressure and temperature across multiple extraction cycles. A reliable...

In the design and manufacturing of espresso machines, a seemingly small decision—selecting a 58 mm or 51 mm portafilter—can significantly influence product positioning, user experience, and supply chain considerations. While both sizes serve the same fundamental purpose of holding coffee grounds and supporting the extraction process, their respective advantages differ across product lines and usage scenarios. For manufacturers and B2B buyers, understanding the logic behind this choice is essential for product planning and market strategy. 1. Understanding the Differences Between 58mm and 51mm...